Introduction
Vitamin K is one of the unfamiliar forms of supplements for people.
Research on this relative newcomer nutrition scene identified in the 1920s is still limited. It was assumed, for years, that its principal benefit was its involvement in blood clotting – the “K” stands for “coagulation” in German.
However, as more studies say, it may be a significant factor in calcium deposit, strengthening of the bone, and many more. After knowing all the benefits, most people start including the best vitamin K2 supplements in UK in their diet.
Although the nutrient occurs in various forms, K2 is generally known as the most vital nutrient for supplementation. So, read the article and check out our list of the best vitamin K2 supplements in UK.
Our pick of the 6 best vitamin K2 supplements of 2024 in UK
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Let's take a deep dive into these 6 best Vitamin K2 Supplements in UK
Best Overall Vitamin K2 Supplements in UK
EVO NUTRITION
A+
Zotezo review
The “Vitamin D3 4000iu & Vitamin K2 100ug (MK7) |180 Vegetarian Tablets | 1-A-Day | 6 Month Supply | High Strength D3 and K2 Vitamin | Vitamin D K2 Supplement | Made in The UK” provides a 6-month supply of high-strength D3 and K2 in vegetarian tablets made in the UK. While offering convenience and quality, individual effectiveness may vary, and there is limited information on specific benefits.
Product details
Benefits of Brand Name D3 & K2 Suppleme...
Drawbacks
Health4All
A+
Zotezo review
The Health4All Vitamin K2 MK7 200mcg 180 Tablets offer good value and fast delivery. Derived from natto beans fermentation, this natural vegan source with high strength formula comes in a convenient tablet form. However, its effectiveness may require a blood test for confirmation, and optimal use may involve dosage calculation based on body weight.
Product details
Benefits of Health4All Vitamin K2 MK7 200mcg...
Weaknesses
ALPHA01
A+
Zotezo review
The “Vitamin K2 MK-7 600mcg” supplement offers a potent dose of vegan Vitamin K derived from fermented Natto, supporting bone health with superior absorption. While some users noted the capsules could be smaller and expressed availability concerns, the product is praised for its efficacy and vegan-friendly formulation.
Product details
Benefits of Vitamin K2 MK-7 600mcg Capsules
Disadvantages
Nu U Nutrition
A
Zotezo review
The Vitamin K2 MK 7 200mcg by Nu U Nutrition is a highly bioavailable supplement, providing a one-year supply of double-strength Vitamin K2 MK7 in vegetarian and vegan-friendly tablets. It is praised for its effectiveness in boosting energy levels, ease of consumption, and value for money, though it may be more suitable for those already familiar with Vitamin K2 supplements.
Product details
Benefits of Nu U Nutrition Vitamin K2 MK7 20...
Negatives
Troo Health Care
B+
Zotezo review
The Troo Vitamin K2 MK-7 supplement offers great value for money with its highly bioactive formula, easy-to-swallow capsules, and vegan-friendly ingredients. However, some users may find the flimsy container lid and difficulty in comparing prices and quality as drawbacks.
Product details
Benefits of Troo Vitamin K2 MK-7 Capsules
Cons
Vitality Bioresearch
B+
Zotezo review
The Vitamin K2 MK7 supplement offers vegan-friendly capsules with natural ingredients that are easy to swallow. While the product supports heart health, bones, joints, and the immune system, some users may find it lacks clear perceived benefits, with subjective perceptions of usefulness reported by customers.
Product details
Benefits of VIT K2 MK7 Heart & Bone Sup...
Drawbacks
Tips for choosing the right vitamin K2 supplements for you
The factors to consider while buying the best vitamin k2 supplements in UK are:
Menaquinone compounds
Vitamin K2 comes in various forms, each with its characteristics. Even still, MK-7 and MK-4 are known as the most crucial. The MK-7 chemical promotes strong bones by increasing bone mineral density. MK-4 aids in the formation of collagen and carboxylation, a process that influences the quantity of calcium in your bones. When looking for vitamin K2 pills, look for ones that contain a variety of menaquinone compounds, though any supplement that contains MK-4 and MK-7 will suffice.
Concentration
Vitamin K2 supplements are available in the following amounts: 65 mcg, 100 mcg, and 120 mcg (MK7), as well as greater levels up to 1300 mcg (MK4). The recommended daily amount of vitamin K2 of type MK7 (120 mcg) is the most effective due to its ease of absorption and bioavailability. Look for the concentration of K2 per capsule.
Ingredient
If you have any dietary limitations, ensure your K2 vitamin supplement matches those requirements. Check the list of ingredients. Although maximum K2 supplements are vegan or vegetarian, some may contain animal byproducts. So, examine the ingredient list for its content. Ensure that you are not allergic to any one of them. Consider a supplement that has no GMO and is pure.
Taste and smell
K2 vitamin supplements may have an unpleasant taste or odor, which many people dislike. Although most K2 supplements are pleasant to drink, some are unusually bitter, making them difficult to take daily. It is a good idea to take a K2 vitamin supplement with a bearable flavor and scent.
Bottle
When purchasing the best vitamin K2 supplement in UK, it is critical to examine the product’s bottle. Vitamin K2 is light-sensitive, so the bottle should be dark or opaque to keep the capsules from being exposed to light.
Several capsules
Vitamin K2 is available in tablet form. The suggested daily dose is one capsule each day, either first thing in the morning or during one of your main meals. The number of capsules in each bottle varies from 60 to 90 to 100 units. Buy a bottle that has a maximum number of pills matching the price.
Certified
Make sure your supplement is third-party verified. Third-party supplements tested in a lab for purity. It ensures that they contain what they claim and do not contain high-risk, common contaminants. The best vitamin K2 supplements in UK come with ConsumerLabs, NSF, and USP third-party certifications.
Reviews
When you take a K2 vitamin supplement, you may have adverse effects, just as with any other supplement. It is best to choose a supplement that doesn’t have many side effects mentioned in reviews. A review also helps find out the taste, smell, and any problem related to the supplement.
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.
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Benefits of using vitamin K2 supplements
Here are some major benefits of taking the best vitamin K2 supplements in UK.
Heart health
Vitamin K-2 may help reduce the risk of heart disease and enhance overall heart health. According to a study, K-2 activates a protein that inhibits calcium deposits from accumulating in blood vessel walls. The study also suggested a diet rich in natural vitamin K2 could reduce the incidence of coronary heart disease.
Improve dental health
Vitamin K2 strengthens teeth in the same way as it strengthens bones. This is because the vitamin aids calcium absorption by the teeth and activates dentin, which aids in the structure and health of the teeth.
Reduce inflammation
The possibilities of inflammation increase when the body has a low level of vitamin K and a high level of cytokines. Vitamin K2 lowers the body’s cytokine levels. Vitamin K2 supplementation is ideal for persons with inflammatory conditions such as Lupus, Crohn’s Disease, and diabetes.
Enhance exercise performance
During exercise, bones release osteocalcin, which appears to transmit messages to muscles to help them cope with increasing energy needs. Vitamin K2 protein permits skeletal muscle to utilize energy during exercise and increase workout efficiency and potential performance.
Bone health
Taking the best vitamin K2 supplements in UK promotes a healthy bone mineral density by carboxylate osteocalcin, a protein that binds calcium to bones.
In a study, 29 postmenopausal females with hip or vertebral compression fractures were given MK-4 supplements to see how they would react. The researchers found that consuming 5 milligrams of MK-4 daily lowered the level of undercarboxylated osteocalcin to levels “typical of healthy, premenopausal women.”
Anxiety and depression
High blood sugar levels can put a person at risk for depression, anxiety, and cognitive impairment. Effects of vitamin K-2 were studied with metabolic syndrome, high blood glucose levels, signs of anxiety, and depression. The treatment stabilized the blood glucose, reduced anxiety and depression symptoms after ten weeks.
Increase testosterone level
In the male testis, vitamin K2 MK-4 produces steroid hormones. In a study, a diet containing 75 mg/kg MK-4 increased testosterone level compared to a control diet.
Side-effects of using Vitamin K2 Supplements
Oral Vitamin K2 has rare side effects when taken at prescribed levels. Some of them are:
- Decreased appetite
- Muscle stiffness
- Decreased movement or activity
- Irritability
If you have any such symptoms, please consult your doctor or local pharma.
Recommended Dosage of Vitamin K2 Supplements
The recommended daily consumption of vitamin K from food and supplements are listed below. Maximum people consume adequate vitamin K2 through their foods.
| Group | Adequate Intak |
|---|---|
| Children 0-6 months | 2 micrograms/day |
| Children 7-12 months | 2.5 micrograms/day |
| Children 1-3 | 30 micrograms/day |
| Children 4-8 | 55 micrograms/day |
| Children 9-13 | 60 micrograms/day |
| Girls 14-18 | 75 micrograms/day |
| Women 19 and up | 90 micrograms/day |
| Women, pregnant or breastfeeding (19-50) | 90 micrograms/day |
| Women, pregnant or breastfeeding (under 19) | 75 micrograms/day |
| Boys 14-18 | 75 micrograms/day |
| Men 19 and up | 120 micrograms/day |
No negative effects have been observed with the quantities of vitamin K present in food and supplements. However, this does not rule out the possibility of harm from a large dose. A maximum safe dose has yet to be determined by researchers.
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Frequently asked questions on vitamin K2 supplements
1. Who can take vitamin K2?
2. Who cannot take K2 supplements?
3. What is the food that contains K2 vitamins?
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Conclusion
Vitamin K is a set of nutrients classified into K1 and K2 vitamins.
Vitamin K1 aids in blood clotting, while vitamin K2 promotes bone and heart function. More research on the roles of vitamin K subtypes is needed, however.
Some scientists believe that people at risk of heart disease should take vitamin K2 supplements daily. Others argue that we need further research before any definite suggestions.
Vitamin K, on the other hand, is essential for physiological function. Make sure you include enough vitamin K1 and K2 in your diet to keep your health in check.
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Mary Ahern, MS, RD is a registered dietitian and health writer who is passionate about plant-based nutrition and achieving better health by balancing time between the kitchen and the gym. Currently she's pursuing PhD from University of Arizona
