Introduction

Vitamin D, aka Calciferol, often referred to as the “Sunshine Vitamin,” it plays a pivotal role in maintaining our overall health and well-being. Whether you’re basking in the sun’s golden rays or exploring the various supplements, this article is your passport to understanding and selecting the best Vitamin D supplements in USA for your daily needs.

Post pandemic, the importance of vitamin D has taken center stage in the world of nutrition and overall well-being. Beyond its classic role in bone health, this mighty vitamin has been linked to immune system support, mood regulation, heart health, and more. Yet, many of us find it challenging to maintain optimal Vitamin D levels, especially in regions with limited sunlight or during the winter months.

That’s where high-quality Vitamin D supplements come into play. But with the multitude of options available, choosing the right one can be a daunting task. Fear not! We’re here to demystify the world of Vitamin D supplements, providing you with valuable insights, expert advice, and a comprehensive guide to help you make an informed decision.

So, whether you’re a sun worshipper or someone who prefers to get their Vitamin D from a bottle, join us on this enlightening journey as we explore the best Vitamin D supplements to support your health and vitality. Say goodbye to the winter blues and embrace the sunshine within!

Vitamin D Supplements in USA

Our pick of the 10 best vitamin D of 2024 in USA

Let's take a deep dive into these 10 best Vitamin D Supplements in USA

Best Overall Vitamin D Supplements in USA

Triquetra Health

A

Zotezo review

Introducing  the overall best vitamin D supplement, Plant D3 whole food, – the innovative, organic vitamin D3 that delivers 100% whole food and plant-based cholecalciferol form for optimal wellness. Our vegan-friendly formula is carefully crafted to include a prebiotic and superfood complex, providing a potent blend of ingredients that work together to enhance nutrient absorption and support healthy immune function.

Product details

  • Product description: 2.25 x 2.25 x 4.25 inches; 6.74 Ounces.46 Ounces

  • Product benefit: Bone Health,Brain,Immunity,Muscle recovery

  • Item form: Capsules

  • Amount serving: 60

  • Serving: 5000 ui vitamin D3, 40 mg organic food complex, 90 mg organic superfood complex, 50 mg organic adaptogen complex, 55 mg prebiotic complex

  • Free from artificial preservatives, gluten, soy, dairy, additive

  • Vegan, USDA organic, non-GMO, 3rd party tested

  • Unflavored

Benefits of Plant D3 whole food vitamin D

  • Vitamin D3 derived from sun-grown algae delivered in the optimal Cholecalciferol form

  • Supports immune system, brain health, muscle function, bone health, and improves mood

  • Prebiotic, superfood, and whole food combinatoon ensures smooth digestion and absorption

  • No after taste and no funky smells from the bottle

  • Has no side effects

Best Vitamin D Supplements Spray in USA

Garden of Life

A

Zotezo review

Mykind organics Vitamin D3 Liquid Spray by Garden of Life is the best vitamin D spray supplement and is an exceptional product that offers certified organic whole food vitamin D3 that is vegan, derived from lichen, and enhances calcium absorption in women and men. Additionally, this formulation is enriched with omega-3, providing an array of health benefits.

Product details

  • Product description: 4.97 x 1.56 x 1.56 inches; 2.24 Ounces

  • Product benefit: Better calcium absorption

  • Item form: Spray

  • Amount serving: 58 ml

  • Serving: 25 mcg vitamin D3

  • Certified Vegan, Organic, Non GMO Project Verified, Gluten Free, Kosher & Carbon Neutral

  • USDA organic, certified B corporation

  • Vanilla flavor

Benefits of Mykind organics Vitamin D3 Spray

  • Promotes calcium absorption for healthy bones and supports immune system

  • No lanolin or animal-derived ingredients

  • Certified Organic omega-rich blend of Pumpkin and Cranberry Seed Oils which deliver 4mg of Omega-3 fatty acids per serving

  • Clean and traceable ingredients of premium quality

  • Sustainable

Weaknesses

  • Be cautious about the expirey date

Best Vitamin D Supplements Drop in USA

Sacred Eats

A

Zotezo review

Sacred Eats Organic Liquid Vitamin D Drops is the best vitamin D drops supplement that provide a convenient and effective way to boost the vitamin D levels of both adults and kids. With a high potency and maximum absorption formula, these drops are also organic, sugar-free and contain no artificial preservatives. Furthermore, they are vegetarian and NSF certified, assuring you of their purity and quality.

Product details

  • Product description: 1.2 x 1.2 x 4.5 inches; 2.89 Ounces

  • Product benefit: Natural health

  • Item form: Liquid drop

  • Amount serving: 30 ml

  • Serving: 25 mcg vitamin D3,

  • Free of soy, milk, egg, shellfish, corn, wheat & nuts, vegetarian

  • NO gluten, GMO, preservatives or anything artificial

  • USDA organic, NSF certified

  • Kosher, keto-friendly, Paleo & low-carb diets

  • Natural citrus flavor

Benefits of Organic Liquid Vitamin D Drops

  • Premium Vitamin D3 present in Coconut MCT oil

  • Supports immune system, enables better mineral absorption in the body

  • May get the blood pressure in control and supports mood & energy

  • Most bioavailable form of liquid vitamin d for maximum absorption

  • Flavored and enhanced with orange & lemon pure essential oils

  • Can be taken directly from the spoon or can be mixed with drinks and beverages

Disadvantages

  • The dropper may be hard to squeez

Best Organic Vitamin D Supplements in USA

Mary Ruth's

A

Zotezo review

Megadose Vitamin D3 Organic Liquid Drops is the best organic vitamin D supplement – the perfect solution for adults and kids seeking optimal immune support and bone strength. With its natural, vegan composition and sugar-free formula, our Liquid Vitamin D Drops are a convenient and effective way to nourish your body and feel your best. Simply add a few drops to your favorite beverage or take alone for a burst of vitamin D3 goodness!

Product details

  • Product description: 4.6 x 2 x 1.4 inches; 1 Ounces

  • Product benefit: Healthy mood,Immunity, Bone support

  • Item form: Liquid

  • Amount serving: 30 ml

  • Serving: 100 mcg vitamin D3

  • Vegan, Dairy Free, Gluten Free, Wheat Free, Soy Free, Corn Free, Nightshade Free. Sugar Free

  • non-GMO, USDA organic

  • Organic pineapple flavor

Benefits of Megadose Vitamin D3 Organic liqu...

  • Aids the body in absorbing phosphorus and calcium, supporting immune functions and bone health

  • Fewest number of allergens as possible

  • Highest quality ingredients and to formulate good-tasting supplement

  • Has no side effects and has a mild flavor

Negatives

  • May have a thick oily consistency

Best Vitamin D Supplements With Fish Oil in USA

Oceanblue

B+

Zotezo review

Oceanblue Omega Vitamin D3 is the best vitamin D fish oil supplement and is the smart choice for health-conscious individuals seeking the best in nutrition. Our highly potent, burpless fish oil supplement is designed with triple-strength EPA, DHA, DPA, and Vitamin D3, providing comprehensive support for your body and mind. Our product is derived from only the highest quality wild-caught fish and is IFOS certified, guaranteeing unbeatable purity and potency. Choose Oceanblue Omega Vitamin D3 for optimal health and wellbeing.

Product details

  • Product description: 6.42 x 3.19 x 2.99 inches; 14.46 Ounces

  • Product benefit: Immune System

  • Item form: Softgel

  • Amount serving: 180

  • Serving: 50 mcg vitamin D3, 2100 mg omega-3,

  • Free from: Eggs, fish, gluten, milk, shellfish, soy, artificial colors, artificial flavors, and artificial preservatives

  • non-GMO, vegetarian, GMP certified, FDA registered, Friend of The Sea (FOS)-accredited

  • Vanilla flavor

Benefits of Oceanblue Omega Vitamin D3

  • 3X more omega-3 benefit than standard fish oil supplement

  • Highly refined fish oil that is sourced from wild-caught anchovies

  • Absolutely no fishy aftertaste, no burps and no reflux

  • Formulated for the cardiovascular support of individuals seeking healthy levels of triglycerides and blood pressure

  • Supports healthy teeth, bones and immune function

  • Molecularly distilled and refined for purity and freshness

  • Advanced, multi-stage process to remove heavy metals, PCBs, and other toxins

  • Containing 75% less fat than the average fish oil, this high-concentrate EPA and DHA

  • Has no fillers, no additives, no allergens

Cons

  • Big size capsule

Best Vegan Vitamin D Supplements in USA

NatureWise

B+

Zotezo review

NatureWise Vitamin D3 is the best vegan vitamin D supplement that is designed to support your immune system, bone health, and overall well-being. Each softgel contains 5,000 IU of vitamin D3 that is blended with Cold-Pressed Olive Oil to ensure maximum potency and effective absorption. This vegan-friendly product is bioavailable formulated for high absorption, and therefore easily assimilated into the bloodstream. With regular use, this supplement can help maintain healthy levels of vitamin D in the body, thereby improving physical and mental health.

Product details

  • Product description: 2.88 x 2.88 x 5.38 inches; 1.59 Ounces

  • Product benefit: Immunity support, mood support

  • Item form: softgels

  • Amount serving: 360

  • Serving: 125 mcg vitamin D3,

  • gluten-free, dairy-free, soy-free, egg-free, tree nuts free, wheat-free, shell fish-free. fish-free, corn-free, peanut-free

  • 100% natural, USP grade, non-GMO, certified organic olive oil, vegan

  • Third party tested for potency and purity

  • Unflavored

Benefits of NatureWise Vitamin D3

  • 1 year supply easy-to-swallow capsule without any after-taste

  • Healthy Muscle Function, and Immune Support

  • Highly bioavailable for maximum absorption

  • Supports the body’s ability to maintain good bone health

  • Tested for physical, chemical, and microbial contamination. potency, and safety.

  • No artificial additives

Best Vitamin D Supplements For Kids in USA

Nordic Naturals

B+

Zotezo review

With the best vitamin D supplement for kids , Nordic Naturals Vitamin D3 Gummies. Made with superior quality ingredients, these gummies provide your body with the essential vitamin D3 it needs for optimal health. Non-GMO, certified vegetarian, and free from artificial additives, these gummies offer a convenient way to support your wellbeing.

Product details

  • Product description: 2.5 x 2.5 x 4.5 inches; 6.4 Ounces

  • Product benefit: Bone Health, Healthy Immunity

  • Item form: tablets

  • Amount serving: 60

  • Serving: 10 mcg vitamin D3,

  • gluten-free, milk-free, no artificial flavor

  • Certified vegetarian, non-GMO

  • Wide Watermelon splash

Benefits of Nordic Naturals Vitamin D3 Gummi...

  • Promotes bone health, mineral absorption, health immunity

  • 100% of the daily value of vitamin D

  • The gelatin-free gummyv

  • Vitamin D supplement for kids and teens

  • Third-party tested for purity and potency

Weaknesses

  • High sugar

Best Vitamin D Supplements For Immunity Support in USA

Seeking Health

B

Zotezo review

Seeking Health Vitamin D Drops is the best vitamin D supplement for immunity support. This is a potent immune system supplement that offers a low-allergen formula suitable for both adults and kids. With pure olive oil as its base, these drops provide a vegetarian option to support your wellness goals. There are no artificial preservatives, ensuring a high-quality and pure source of vitamin D.

Product details

  • Product description: 2 x 2 x 2 inches; 0.2 Ounces

  • Product benefit: Immune System

  • Item form: Liquid

  • Amount serving: 30 ml

  • Serving: 50 mcg vitamin D3,

  • Free from: Eggs, fish, gluten, milk, peanuts, shellfish, soy, tree nuts, wheat, artificial colors, artificial flavors, and artificial preservatives

  • non-GMO, vegetarian

  • Unflavored

Benefits of Seeking Health Vitamin D Drops

  • Supports the bone health and your immune system

  • Promotes a positive mood

  • Low-allergen formula that pure olive oil base so there is no need to take this product with food

  • The fatty base supports optimal absorption of the fat-soluble vitamin

  • Enhances calcium absorption and metabolism, and boosts cardiovascular system

Disadvantages

  • The dropper has no measuring lines

Best Chewable Vitamin D Supplements in USA

Carlyle

B

Zotezo review

Carlyle Chewable Vitamin D3 is the best chewable vitamin D supplement that is the perfect way to supplement your overall health and wellness efforts with ease. Our tablets are made with ethically sourced ingredients and are free of any artificial flavors or colors, meaning you can feel confident in your choice to support your body with every chew.

Product details

  • Product description: 1.95 x 1.95 x 3.75 inches; 2.12 Ounces

  • Product benefit: Overall health support

  • Item form: tablets

  • Amount serving: 180

  • Serving: 50 mcg vitamin D3,

  • gluten-free, milk-free, soy-free, lactose-free, yeast-free, no artificial flavor

  • Ethically sourced, non-GMO, GMP facility, vegetarian

  • Berry flavor

Benefits of Carlyle Chewable Vitamin D3

  • High potecy formula with convenient chewable tablets

  • Natural flavor with no added preservatives and color

  • Super fast dissolving and easy-to swallow

Negatives

  • Has a chalky texture

Best Vitamin D Supplements Gummies in USA

Amazon Basics

C+

Zotezo review

These non-sticky and easy-to-swallow gummies are vegetarian and support strong bones and immune health. With a delicious taste, they are the perfect addition to any daily regimen.

Product details

  • Product description: 3.19 x 3.19 x 5.33 inches; 13.6 Ounces

  • Product benefit: Support bone health

  • Item form: Gummies

  • Amount serving: 160

  • Serving: 50 mcg vitamin D3

  • Vegetarian, Gluten-free, no wheat, no dairy, no soy, no egg

  • Orange, Lemon & Strawberry flavor

Benefits of Amazon Basics Vitamin D3 Gummies

  • Soft pectin-based gummies that upport Strong Bones and Immune Health

  • Natural flavor

  • Affordable and highly rated products

  • Kid-friendly gummies

  • Does not stick to the teeth and are easily swallowed

  • Tastes good

Cons

  • Has sugar content

gwalogo

The Grand Wellness Awards

Discover excellence in wellness with 'The Grand Wellness Awards' by Zotezo! This prestigious award recognizes the finest wellness brands across 19 countries that prioritize your well-being. From nourishing supplements to rejuvenating self-care products, we honor the best in the industry. Embrace a healthier lifestyle and explore the trusted brands that elevate your wellness journey.

Various types and forms of Vitamin D supplements

When it comes to Vitamin D supplements, the choices are as diverse as the benefits this essential nutrient offers. To help you navigate this sea of options, let’s explore the various types of Vitamin D supplements available on the market today.

1. Vitamin D3 (Cholecalciferol):

This form of Vitamin D is the one your skin naturally produces when exposed to sunlight. It’s considered the most effective and bioavailable form for supplementation. Vitamin D3 supplements are available in various dosages, making it easy to tailor your intake to your specific needs.

2. Vitamin D2 (Ergocalciferol):

While less potent than Vitamin D3, Vitamin D2 is still a viable option for supplementation, particularly for vegans and vegetarians, as it is derived from plant sources. It may require a slightly higher dosage to achieve the same effects as Vitamin D3.

3. Liquid Drops:

Liquid Vitamin D supplements have gained popularity due to their ease of use and quick absorption. They often come in a convenient dropper form, allowing for precise dosage control. This option is excellent for individuals who have trouble swallowing pills or prefer a customizable approach.

4. Softgel Capsules:

Softgel capsules are a common choice for Vitamin D supplementation. They are easy to swallow and provide a consistent dosage. Look for those that contain Vitamin D3 for optimal absorption.

5. Tablets:

Vitamin D tablets are another convenient option, and they often come in various strengths. However, it’s essential to check the ingredient list, as some tablets may contain fillers and binders that could affect absorption.

6. Gummies:

If you struggle with swallowing pills or dislike the taste of liquid supplements, Vitamin D gummies might be a fun and tasty alternative. Be mindful of added sugars in some gummies, though, and choose those with Vitamin D3 for better absorption.

7. Vitamin D with Calcium:

Some supplements combine Vitamin D with calcium, making them an excellent choice for those looking to support bone health. However, if you have specific calcium requirements, you might need to consider additional calcium supplementation.

8. Time-Release Capsules:

Time-release Vitamin D capsules are designed to release the nutrient gradually over several hours, allowing for more stable blood levels. They can be particularly useful for individuals who prefer a once-daily regimen.

Dietary sources of Vitamin D

Food Source

Vitamin D Content (IU per serving)

Fatty Fish (Salmon, Mackerel, Tuna) 400-1,000 IU per 3-ounce serving
Cod Liver Oil 1,360 IU per teaspoon (4.9 mL)
Egg Yolks 20-40 IU per egg
Cheese (Swiss, Cheddar, Mozzarella) 3-6 IU per ounce
Mushrooms (exposed to UV light) 100-450 IU per 3-ounce serving
Fortified Foods (Milk, Orange Juice, Cereals) 100-130 IU per 8-ounce serving (varies by brand)
Beef Liver 42 IU per 3-ounce serving
Fortified Yogurt 80-100 IU per 6-ounce serving (varies by brand)
Tofu (with added calcium sulfate) 80-120 IU per 3.5-ounce serving (varies by brand)
Herring 580 IU per 3-ounce serving

Tips for choosing the right vitamin D for you

Choosing the right Vitamin D supplement can be a daunting task, given the abundance of options on the market. As a dietitian, I’m here to help you make an informed decision. Whether you’re looking to address a deficiency, support your immune system, or boost your overall well-being, this buyer’s guide will equip you with the knowledge and considerations you need to choose the best Vitamin D supplement for your unique needs.

1. Form of Vitamin D: D2 vs. D3

The first decision you’ll encounter is choosing between Vitamin D2 (ergocalciferol) and Vitamin D3 (cholecalciferol). Vitamin D3 is the preferred form for supplementation because it’s the same type of Vitamin D your skin produces when exposed to sunlight. It is also more effective at raising and maintaining Vitamin D levels in the blood. If you have dietary restrictions and are looking for a vegan option, Vitamin D2 is derived from plant sources and may be suitable, but it often requires a higher dosage to achieve the same effects as Vitamin D3.

2. Dosage and Strength

Vitamin D supplements come in various dosages, ranging from 400 IU (10 mcg) to 5,000 IU (125 mcg) or more per serving. The appropriate dosage depends on factors such as your age, current Vitamin D levels, and specific health goals. Consult with a healthcare provider or registered dietitian to determine the right dosage for you. Keep in mind that it’s generally recommended to avoid high-dose supplements without professional guidance to prevent Vitamin D toxicity.

3. Supplement Form: Liquid, Softgel, Tablet, or Gummy

Vitamin D supplements are available in different forms, including liquid drops, softgel capsules, tablets, and gummies. Consider your personal preferences and any dietary restrictions when choosing the form that suits you best. Liquid drops are great for precise dosing and quick absorption, while gummies offer a tasty option for those who dislike pills. Softgel capsules and tablets provide convenience, but some individuals may find them challenging to swallow.

4. Additional Ingredients

Check the ingredient list for any additional components in the supplement. Some Vitamin D supplements are combined with calcium, magnesium, or other minerals to support bone health. If you have specific dietary needs or allergies, make sure the supplement aligns with your requirements. Additionally, be cautious of supplements with excessive fillers or artificial additives.

5. Purity and Quality

Look for supplements that have undergone third-party testing for quality and purity. Organizations like the United States Pharmacopeia (USP), ConsumerLab, and NSF International provide certification to products that meet stringent quality standards. These certifications ensure that the supplement contains the stated ingredients in the declared amounts and is free from contaminants.

6. Allergen Information

If you have allergies or sensitivities, carefully review the allergen information on the product label. Many Vitamin D supplements are gluten-free, soy-free, and dairy-free, but it’s essential to confirm this if you have specific dietary restrictions.

7. Bioavailability and Absorption

Consider the bioavailability of the supplement, which refers to the extent and rate at which the nutrient is absorbed and utilized by the body. Vitamin D is a fat-soluble vitamin, so taking it with a meal containing healthy fats can enhance absorption. If you have digestive issues or malabsorption concerns, discuss with your healthcare provider whether a specific form or delivery method would be more suitable for you.

8. Price and Value

Compare prices among different Vitamin D supplements, but don’t solely base your decision on cost. Consider the value you’re getting for the price, taking into account factors like dosage per serving, supplement form, and overall quality. High-quality supplements may come with a slightly higher price tag, but they often provide better results.

9. Trusted Brands

Opt for supplements from reputable and well-established brands. Look for companies with a history of producing high-quality, safe, and effective supplements. Reading customer reviews and seeking recommendations from healthcare professionals or trusted sources can also help you identify trustworthy brands.

10. Health Goals and Consultation

Your specific health goals and individual needs should guide your choice of Vitamin D supplement. If you’re unsure about the right supplement for you, or if you have underlying health conditions, it’s advisable to consult with a healthcare provider or registered dietitian. They can assess your Vitamin D levels, discuss your goals, and recommend the most appropriate supplement and dosage based on your unique circumstances.

Products listed here are carefully reviewed and tested by our expert authors and reviewers. If you buy through links on this page, we may earn a small commission. Here’s our editorial process.

How we reviewed these products

Benefits of using vitamin D

While our skin can produce this essential nutrient when exposed to sunlight, many of us struggle to obtain enough through natural means alone. That’s where Vitamin D supplements come into play, offering a host of benefits that extend far beyond bone health. In this comprehensive guide, we’ll explore the myriad advantages of Vitamin D supplementation, shedding light on why it’s a crucial addition to your daily wellness routine.

1. Stronger Bones and Teeth:

Let’s start with the most obvious and well-known benefit of Vitamin D – its role in promoting bone health. This nutrient facilitates the absorption of calcium in the gut, ensuring that your bones and teeth remain strong and healthy. Without sufficient Vitamin D, your body struggles to use the calcium from your diet, increasing the risk of brittle bones and conditions like osteoporosis.

2. Enhanced Immune Function:

Vitamin D is a key player in supporting your immune system. It helps your body fend off infections and illnesses by bolstering the innate and adaptive immune responses. Adequate Vitamin D levels have been linked to a reduced risk of respiratory infections, autoimmune diseases, and even certain cancers.

3. Mood Regulation:

The connection between Vitamin D and mood is a fascinating one. Research suggests that Vitamin D may play a role in regulating mood and warding off depression. It’s no coincidence that some people experience the “winter blues” when sunlight exposure decreases during the colder months. Supplementing with Vitamin D can help mitigate these mood fluctuations.

4. Heart Health:

Maintaining optimal Vitamin D levels may contribute to a healthier heart. Studies have indicated that sufficient Vitamin D may help lower blood pressure, reduce the risk of heart disease, and improve overall cardiovascular health. It can also play a role in managing cholesterol levels.

5. Diabetes Management:

Emerging research suggests that Vitamin D may have a role in insulin sensitivity and glucose regulation. While more studies are needed to establish a direct link, maintaining adequate Vitamin D levels could potentially aid in diabetes prevention and management.

6. Muscle Strength and Function:

Healthy muscles are crucial for mobility and overall vitality. Vitamin D supports muscle health by aiding in muscle contraction and strength. It may also reduce the risk of falls and fractures in older adults.

7. Cancer Prevention:

While the relationship between Vitamin D and cancer prevention is still under investigation, some studies have shown promising results. Adequate Vitamin D levels have been associated with a reduced risk of certain cancers, including breast, prostate, and colon cancer. However, more research is needed to confirm these findings definitively.

8. Improved Respiratory Health:

Vitamin D may contribute to better respiratory health by reducing the risk of respiratory infections, such as the common cold and flu. It can also be beneficial for individuals with asthma, as it may help alleviate symptoms and improve lung function.

9. Pregnancy and Fetal Development:

Pregnant women need adequate Vitamin D for the development of their baby’s bones and overall health. It also plays a role in preventing complications such as gestational diabetes and preeclampsia.

10. Autoimmune Conditions:

Vitamin D’s immune-modulating effects are particularly relevant in autoimmune diseases like multiple sclerosis, rheumatoid arthritis, and Crohn’s disease. While not a cure, Vitamin D supplementation may help manage symptoms and reduce disease severity.

11. Skin Health:

Vitamin D supports skin health by promoting wound healing and preventing skin conditions like psoriasis. It also plays a role in maintaining the skin’s barrier function, which is essential for overall skin health.

12. Weight Management:

Some research suggests that Vitamin D may be linked to weight regulation. While it’s not a magic weight loss solution, maintaining adequate levels may support overall weight management efforts.

13. Hormonal Balance:

Vitamin D is involved in hormone regulation and can influence the production of hormones like insulin and parathyroid hormone. This hormonal balance can have far-reaching effects on your overall health.

14. Longevity:

While it’s not a fountain of youth, Vitamin D supplementation has been associated with increased longevity. It may help reduce the risk of age-related diseases and support overall vitality as you age.

15. Improved Cognitive Function:

Maintaining optimal Vitamin D levels may contribute to better cognitive function and a reduced risk of cognitive decline, such as Alzheimer’s disease.

16. Better Sleep:

Some studies suggest a link between Vitamin D deficiency and sleep disturbances. Supplementing with Vitamin D may help improve sleep quality and regulate sleep patterns.

Side-effects of using Vitamin D Supplements

While Vitamin D supplements offer a multitude of health benefits, it’s essential to be aware of potential side effects to make informed choices about your supplementation. Like any nutrient or medication, taking Vitamin D in excess can lead to adverse effects. Let’s delve into the possible side effects of Vitamin D supplements and how to minimize the associated risks.

1. Hypercalcemia:

One of the most significant concerns with Vitamin D supplementation is the risk of hypercalcemia, a condition characterized by elevated levels of calcium in the blood. This can lead to symptoms such as nausea, vomiting, constipation, confusion, and, in severe cases, kidney stones or kidney damage. To minimize this risk, it’s crucial not to exceed the recommended dosage prescribed by your healthcare provider.

2. Kidney Stones:

High doses of Vitamin D may increase the risk of kidney stones in susceptible individuals. This is primarily due to the excess calcium absorbed from the gastrointestinal tract. Staying well-hydrated and monitoring your calcium intake can help mitigate this risk.

3. Digestive Issues:

Some individuals may experience gastrointestinal discomfort, including nausea, diarrhea, or stomach cramps when taking Vitamin D supplements. If you notice these symptoms, consider adjusting the form of supplementation or taking it with food to improve absorption and minimize digestive upset.

4. Calcium Deposits:

Excess Vitamin D can lead to the deposition of calcium in soft tissues, such as blood vessels and the heart. This can potentially contribute to atherosclerosis (hardening of the arteries) and cardiovascular issues. It’s crucial to maintain a balance between Vitamin D and calcium intake, especially if you are already consuming a diet high in calcium-rich foods or calcium supplements.

5. Weakened Bones:

Paradoxically, excessive Vitamin D can lead to the weakening of bones. This occurs when calcium is drawn from the bones into the bloodstream, leaving them less dense and more fragile. To avoid this, it’s essential to monitor your Vitamin D levels and ensure you’re not overdoing supplementation.

6. Toxicity:

Vitamin D toxicity, although rare, can result from prolonged intake of extremely high doses. Symptoms may include fatigue, excessive thirst, frequent urination, and muscle weakness. It’s crucial to consult with a healthcare provider before embarking on high-dose Vitamin D supplementation, especially if you have underlying health conditions.

7. Interaction with Medications:

Vitamin D supplements can interact with certain medications, affecting their absorption and effectiveness. These medications include some anticonvulsants, weight loss drugs, and glucocorticoids. If you’re taking any medications regularly, consult with your healthcare provider to assess potential interactions.

8. Allergic Reactions:

While rare, allergic reactions to Vitamin D supplements can occur. Symptoms may include itching, rash, swelling, dizziness, or difficulty breathing. If you experience any of these symptoms, discontinue use and seek immediate medical attention.

9. Hypervitaminosis D:

This term refers to an excessive accumulation of Vitamin D in the body, leading to toxicity. While it’s rare, it can be serious and even life-threatening. To minimize the risk of hypervitaminosis D, it’s crucial to follow recommended dosage guidelines and have your Vitamin D levels monitored regularly by a healthcare provider.

Who should use vitamin D

Vitamin D is often hailed as the “Sunshine Vitamin” because our skin can produce it when exposed to sunlight. However, not everyone gets enough sun exposure or consumes sufficient Vitamin D through their diet. This leads us to the question of who should consider Vitamin D supplementation to reap its numerous health benefits.

1. Individuals with Limited Sun Exposure:

If you live in a region with long, cloudy winters or have a lifestyle that keeps you indoors most of the time, you’re at risk of Vitamin D deficiency. Supplementing with Vitamin D can help bridge the gap and ensure you maintain adequate levels.

2. Dark-Skinned Individuals:

People with darker skin produce less Vitamin D when exposed to sunlight compared to those with lighter skin. If you have a higher amount of melanin, you may need more sun exposure or supplementation to meet your Vitamin D needs.

3. Older Adults:

As we age, our skin’s ability to synthesize Vitamin D decreases. Additionally, older adults may spend less time outdoors, further contributing to deficiency. Vitamin D supplementation is often recommended for individuals over 70 years old to support bone health and overall well-being.

4. Breastfed Infants:

While breast milk is a valuable source of nutrition for infants, it may not provide enough Vitamin D. Pediatricians often recommend Vitamin D supplements for breastfed infants to ensure proper bone development.

5. Children and Adolescents:

Growing bodies require Vitamin D to build strong bones and teeth. Children and teenagers who don’t get enough Vitamin D through diet and sun exposure may benefit from supplementation, especially during growth spurts.

6. Pregnant and Lactating Women:

Pregnant and lactating women have increased Vitamin D requirements to support their own health and the development of their baby’s bones. Consult with your healthcare provider to determine the appropriate dosage.

7. People with Limited Dietary Sources:

If you follow a strict vegan diet or have dietary restrictions that limit your intake of Vitamin D-rich foods like fatty fish, fortified dairy products, and egg yolks, supplements can help ensure you meet your daily needs.

8. Individuals with Malabsorption Conditions:

Certain medical conditions, such as celiac disease, Crohn’s disease, and cystic fibrosis, can interfere with the absorption of fat-soluble vitamins like Vitamin D. In such cases, supplementation under medical supervision may be necessary.

9. Obese Individuals:

Obesity can affect the way your body processes and stores Vitamin D. If you have a higher body mass index (BMI), you may require more Vitamin D to maintain adequate levels.

10. Those at Risk for Osteoporosis:

Individuals with osteoporosis, a condition characterized by weakened bones, can benefit from Vitamin D supplements in conjunction with calcium to support bone health and reduce the risk of fractures.

11. People Living in Northern Latitudes:

If you reside in regions far from the equator, where sunlight is less intense, it’s challenging to get enough Vitamin D from the sun alone. Supplements can be a reliable source, especially during the winter months.

12. Patients on Medications that Affect Vitamin D Metabolism:

Certain medications, such as anticonvulsants and glucocorticoids, can interfere with Vitamin D metabolism. If you’re on such medications, consult your healthcare provider to determine if supplementation is necessary.

Age Group Recommended Dietary Allowance (RDA) Tolerable Upper Intake Level (UL)
Infants (0-12 months) 400-1,000 IU (10-25 mcg) per day 1,000-1,500 IU (25-37.5 mcg) per day
Children (1-18 years) 600-1,000 IU (15-25 mcg) per day 2,000-4,000 IU (50-100 mcg) per day
Adults (19-70 years) 600-1,000 IU (15-25 mcg) per day 4,000 IU (100 mcg) per day
Adults (71 years and older) 800-2,000 IU (20-50 mcg) per day 4,000 IU (100 mcg) per day
Pregnant and Lactating Women 600-2,000 IU (15-50 mcg) per day 4,000 IU (100 mcg) per day
  1. Infants (0-12 months): Infants typically receive Vitamin D through breast milk or formula. The recommended daily intake varies from 400 to 1,000 IU (10-25 mcg) depending on factors such as diet, sun exposure, and maternal Vitamin D levels.
  2. Children (1-18 years): Children require 600-1,000 IU (15-25 mcg) of Vitamin D per day for optimal growth and development. Adolescents, especially those with limited sun exposure, may benefit from the higher end of this range.
  3. Adults (19-70 years): Adults within this age range should aim for 600-1,000 IU (15-25 mcg) of Vitamin D daily. It’s important to note that as we age, our skin’s ability to produce Vitamin D diminishes, so older adults may require higher doses.
  4. Adults (71 years and older): Older adults may have increased Vitamin D needs due to reduced skin synthesis and potential malabsorption issues. A daily intake of 800-2,000 IU (20-50 mcg) is recommended.
  5. Pregnant and Lactating Women: Pregnant and lactating women should ensure they receive 600-2,000 IU (15-50 mcg) of Vitamin D daily to support both their health and the development of their baby’s bones.

Understand the who, what & why behind your favourite products

Brand Values | Product Philosophy | Product USPs

Read brand stories, their raison-d'etre, and understand what drives them to caringly create the highest quality products for your well-being.

Brand stories

Frequently asked questions on vitamin D

1. What is the recommended daily dosage of vitamin D?

2. Can I get enough vitamin D from sunlight alone?

3. Can I take vitamin D with other medications?

4. Can I overdose on vitamin D?

5. Can I take vitamin D supplements during pregnancy or breastfeeding?

6. How long does it take to see results from vitamin D supplementation?

Sum it up

Here's the list of the 10 best Vitamin D Supplements of 2024 in USA

  1. Best Vitamin D Supplements Spray:
  2. Best Vitamin D Supplements Drop:
  3. Best Organic Vitamin D Supplements:
  4. Best Vitamin D Supplements With Fish Oil:
  5. Best Vegan Vitamin D Supplements:
  6. Best Vitamin D Supplements For Kids:
  7. Best Vitamin D Supplements For Immunity Support:
  8. Best Chewable Vitamin D Supplements:
  9. Best Vitamin D Supplements Gummies:

Expert reviews you can rely upon

Expert Insights | Product Reviews | Connect with Experts

Gain valuable insights and read unbiased product reviews by subject matter Experts on Zotezo, the ultimate trust commerce platform, that empowers millions globally to make informed decisions for their wellbeing.

Expert Advisory

Conclusion

Vitamin D is a crucial nutrient that plays a vital role in maintaining our health and well-being. Whether you’re seeking to address a deficiency, support your immune system, or promote strong bones, choosing the right Vitamin D supplement can make a significant difference in achieving your goals.

Remember that the best Vitamin D supplement for you depends on various factors, including your age, dietary preferences, and individual health needs. Opt for Vitamin D3 for maximum effectiveness, and carefully consider the dosage and form that align with your lifestyle.

While supplements offer a convenient way to boost your Vitamin D levels, don’t forget about the importance of a balanced diet and moderate sun exposure when possible. Incorporating Vitamin D-rich foods, such as fatty fish, eggs, and fortified dairy products, can contribute to your daily intake.

Ultimately, it’s advisable to consult with a healthcare provider or registered dietitian to determine your specific Vitamin D requirements. They can help you choose the most suitable supplement, dosage, and form based on your unique circumstances.

With the right guidance and a well-informed approach, you can harness the benefits of Vitamin D to support your overall health and vitality, ensuring that you enjoy the sunshine vitamin’s numerous advantages for years to come.

avatar
Faye James

Clinical Nutritionist

Nutritionist verified

Experienced Senior Content Designer with an impressive portfolio of collaborations with renowned brands such as Woolworths, Weight Watchers, Fitness First, Barry's, Goodlife and Table of Plenty. Accredited Nutritionist and Cook Book Author, with extensive media coverage in ELLE, Glamour, Harpers Bazaar, Daily Express, Telegraph UK, MailOnline, WHIMN, WHO, New Idea, Girlfriend, Practical Parenting, Kidspot, Good Food, Body and Soul, Prevention, Good Health, Healthy Food Guide, Woman's Weekly, Women's Day, NW, Take 5, TV Week, HELLO! and OK! Author of The Menopause Diet (2023), The Long Life Plan (2018) and creator of The 10:10 Diet (2019). Frequently featured as an expert in Body & Soul, and proud member of Nutrition Council Australia and Associate Member of The Australian Menopause Society.