Introduction

You know, other than lemon & water, what can cure a hangover? Its L-cysteine. Do not be surprised. L-cysteine pills may be an effective new choice. Acetaldehyde, an alcohol metabolite, is responsible for many of the adverse effects of alcohol. So, researchers anticipated that taking L-cysteine would minimize hangover symptoms by blocking acetaldehyde’s impact on the body.

Now, this does not mean L-cysteine does not have any other advantages. Let us tell you why L-cysteine is important for us. Read the whole article to know which are the best L-cysteine supplements in Singapore.

L-Cysteine Supplements in Singapore

Our pick of the 7 best l-cysteine supplements of 2024 in Singapore

Zotezo Score
Best L-Cysteine Supplements
Lowest Price

B+

S$54.19

S$54.19

B+

S$35.51

S$35.51

B

S$21.75

S$20.06

B

S$21.90

S$14.90

B

S$57.00

S$52.56

C+

S$62.35

S$62.35

C

S$191.43

S$191.43

Let's take a deep dive into these 7 best L-Cysteine Supplements in Singapore

Best Overall L-Cysteine Supplements in Singapore

Horbäach

B+

Zotezo review

Horbaach’s L-Cysteine 1000mg supplement offers a non-GMO, gluten-free formula that supports healthy detoxification and natural collagen production. However, customers should be aware of possible confusion with NAC and consider price fluctuations before making a long-term purchase.

Product details

  • 1000mg of L-Cysteine per serving

  • 100 powder capsules

  • Non-GMO supplement

  • Gluten-free formula

  • Supports healthy detoxification

  • Promotes natural collagen production

Benefits of Horbaach L-Cysteine 1000mg Capsules

  • Supports healthy detoxification

  • Promotes natural collagen production

  • Non-GMO supplement

  • Gluten-free formula

Drawbacks

  • Some customers may confuse L-Cysteine with NAC when making a purchase

  • Price fluctuations could impact long-term purchasing decisions

B+

Zotezo review

Solgar L-Cysteine 500 mg capsules are an effective supplement for promoting hair growth, reducing hair fallout, and supporting overall hair health. While easy to incorporate into a daily routine, consistency is key to experiencing its full benefits.

Product details

  • Amino acid with sulfur content

  • Synthesizes keratin protein

  • Supports nail, skin, and hair health

  • Precursor for detoxification system

Benefits of Solgar L-Cysteine 500mg Capsules

  • Promotes hair growth

  • Reduces hair fallout

  • Helps maintain hair thickness

  • Easy to incorporate into daily routine

Weaknesses

  • Requires consistent daily intake

  • May experience increased hair fall if not taken consistently

NOW Sports - Nutrition and Wellness

B

Zotezo review

The NOW Supplements L-Cysteine 500 mg with Vitamins B-6 and C offers comprehensive support for methionine, taurine, and glutathione metabolism, contributing to healthier skin, hair, and nails. While the caplets are easy to swallow, some users may find the large tablet size and strong odor off-putting.

Product details

  • Non-essential sulfur amino acid

  • Includes Vitamins B-6 and C

  • Supports methionine, taurine, and glutathione metabolism

  • Non-GMO tablets

  • Supports healthy skin, hair, and nails

  • Important component of hair, nails, and keratin

Benefits of NOW L-Cysteine 500mg – 100...

  • Supports methionine, taurine, and glutathione metabolism

  • Supports healthy skin, hair, and nails

  • Easy to swallow caplets

Disadvantages

  • Large tablets size

  • Strong odor

B

Zotezo review

The Now Foods L-Cysteine 500mg Tablets provide structural support and promote healthy skin, hair, and nails with the added benefits of Vitamins B-6 and C. However, potential cons include possible gastrointestinal discomfort and allergic reactions.

Product details

  • Structural support

  • Promotes healthy skin, hair, and nails

  • Contains Vitamins B-6 and C

  • Essential component for hair, nails, and skin keratin

Benefits of Now Foods L-Cysteine 500mg Tablets

  • Structural support

  • Promotes healthy skin, hair, and nails

  • Contains Vitamins B-6 and C

Negatives

  • Potential gastrointestinal discomfort

  • May cause allergic reactions

B

Zotezo review

The BetterLungs Respiratory and Lung Supplement, with its 7 natural ingredients including Elderberry, Ginseng, L-Cysteine, and Reishi Mushroom, effectively supports lung health, sinuses, and athletic performance. Users have reported improved breathing during exercise, enhanced overall well-being, and positive impacts on respiratory health. However, results may vary among individuals and consistent intake is recommended for lasting benefits.

Product details

  • Formulated for lung health support

  • Contains 7 natural ingredients

  • Includes Elderberry, Ginseng, L-Cysteine, and Reishi Mushroom

  • Supports sinuses

  • Promotes athletic performance

Benefits of BetterLungs Lung & Respirato...

  • Improved breathing during exercise

  • Enhanced overall well-being

  • Positive impact on respiratory health

Cons

  • May not work for everyone

  • Need to continue taking for ongoing benefits

Dr Sandra Cabot MD

C+

Zotezo review

The “NAC N-Acetyl-L-Cysteine 600mg 90 Capsules” product is a beneficial supplement that supports healthy liver function and may assist with food and chemical sensitivities. However, users should be aware of the potential risk of the liver releasing remaining Tylenol and the limited number of capsules per bottle when considering this product.

Product details

  • Supports healthy liver function

  • May be helpful in cases of food sensitivities

  • May be helpful in cases of chemical sensitivities

Benefits of NAC 600mg 90 Capsules

  • Supports healthy liver function

  • May treat accidental Tylenol overdose

  • Helpful for food and chemical sensitivities

Drawbacks

  • May cause liver to release remaining Tylenol

  • Limited to 90 capsules per bottle

C

Zotezo review

The Now Foods NAC 600 mg – 250 Vcaps 2 Pack offers a high potency of N-acetyl Cysteine (NAC) to support respiratory health and antioxidant defense. However, some users have reported issues with capsules appearing moldy or developing a bad smell, which may affect the overall product experience.

Product details

  • Each Vcap contains 600 mg of N-acetyl Cysteine (NAC)

  • Comes in a pack of 250 Vcaps

  • Two-pack for extended supply

  • Supports respiratory health and antioxidant defense

  • Convenient and cost-effective two-pack option

  • Provides a high potency of NAC for maximum effectiveness

Benefits of Now Foods NAC 600mg – 250 ...

  • High potency of NAC for maximum effectiveness

  • Two-pack for extended supply

  • Supports respiratory health and antioxidant defense

Weaknesses

  • Capsules may appear to be moldy

  • Capsules may turn brown and have a bad smell

Tips for choosing the right l-cysteine supplements for you

Ingredient list

Look at the ingredient list for any additives or harmful substances. If you are a vegan, check for appropriate ingredients. Several vegetarian capsules and pills are available, and formulas are free of dairy, gluten, wheat, GMOs, and other common allergens. Select the purest supplement in the market.

Purity

You must be aware of several factors before using the best L-cysteine supplements in Singapore. One of the most significant things to look after in calcium supplements is the purity of the product. We advise you always to choose a supplement under the certification of USP. This is how you will know whether a particular calcium pill contains lead or other toxic ingredients.

Size 

L-cysteine supplements in tablet form are the most prevalent, but they aren’t for everyone. Smooth capsules may be better if you have problems swallowing regular pills. You might choose a different form that you can take without any trouble. 

Certified

Ensure that your supplement is a third-party confirmed one. Supplements from third parties are purified in a lab. It assures that they contain the ingredients mentioned and are free of high-risk, common pollutants. Three third-party certifications that might help you locate the best l-cysteine supplements in Singapore are ConsumerLabs, NSF, and USP.

Reputable brand

To ensure you’re getting the best supplements available, buy them from reputable brands, manufacturers, and authorized retail drugstores. It ensures that the products have been certified for quality, safety, and efficacy.

Review

You should have a good concept of what you want by now. Check out user reviews to see what others say about these options. Pay attention to success stories and any side effects that people may encounter. Then you can choose which supplement will be the most beneficial to you.

Value

A good value product contains a reasonable amount of the primary ingredients and an adequate number of servings for a price representing the product’s worth.

Expiry

Check the expiration date marked on the container before purchasing any best L-cysteine supplements in Singapore. If the product doesn’t have an expiration date, don’t buy it. It would be best if you did not take the tablets or capsules after the batch’s expiration date had expired.

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 l-cysteine supplements

Stronger hair

The best L-cysteine supplements in Singapore are essential for maintaining overall hair health. L-cysteine is one of the few amino acids in the body that can create disulfide bonds. These disulfide bonds hold the keratin strands in the hair together, giving it its fibrous characteristics that keep moisture in and prevent hair from drying out. L-cysteine also aids in the maintenance of hair texture and thickness.

Antioxidant properties

L-cysteine is an antioxidant that scavenges free radicals that cause cellular damage due to oxidative stress and enhances antioxidant capacity by preserving glutathione. This is the most well-known L-cysteine advantage because it can help prevent or treat major health disorders while slowing down aging. The best L-cysteine supplement in Singapore also helps to improve immune function.

Helps in detoxification

L-cysteine can prevent medication reactions and harmful substances from causing side effects. According to a study, cysteine is vital for the body’s detoxification systems. Toxic metals have pro-oxidant properties and reduce glutathione levels, so L-cysteine pills can help you restore those levels and properly detoxify toxins.

Maintains blood sugar level

L-cysteine is useful for supporting the body’s natural ability to maintain and regulate blood sugar levels. L-cysteine supplementation may lower glycemia and indicators of vascular inflammation in diabetic patients. Supplementing with L-cysteine reduced blood glucose and insulin resistance considerably. 

Solves digestive issues

Because of its ability to halt the aging process, L-cysteine increases the body’s digestive capacity. Digestive problems such as low stomach acid and gastroenteritis grow increasingly common as people age. The presence of free radicals in the body could cause this. L-cysteine supplementation has been shown in studies to help relieve the symptoms of ulcerative colitis. This inflammatory bowel disease causes long-term inflammation and ulcers in the digestive tract.

Other benefits

  • Relieves the symptoms of respiratory problems
  • It helps treat psychiatric disorders.
  • Increases the male fertility
  • Improves the texture of the skin

Side-effects of using L-Cysteine Supplements

For most adults, L-cysteine is probably safe. But some possible adverse effects of the best L-cysteine supplements are:

Although not all of these side effects are rare, if they do, medical treatment may be required. Contact your doctor or nurse immediately.

L-cysteine is an FDA-approved prescription medicine. You can take it orally, intravenously, or through inhalation. It’s usually taken orally in doses of 600-1200 mg each day for adults and 900-2700 mg daily for up to 12 weeks for children. Consult a healthcare professional to determine the optimal product and dosage for a specific problem.

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Conclusion

L-cysteine is a semi-essential amino acid in humans, meaning that the body can biosynthesize appropriate amounts of it under normal conditions. You can simply obtain it from natural protein-rich food. But if you are going to buy one, consider purchasing one of the best L-cysteine supplements in Singapore mentioned above. 

Did you find this article interesting? Were these products on your checklist as well? 

Do keep us posted in the comments below and share it with your friends, families, and beloved. Also, don`t forget to mention the best L-cysteine supplements in Singapore that you pick up from the most trusted online marketplace.

avatar
Dt. Stacy Gulbin

RD, M.Ed., MS

Dietitian verified

Stacy has been a registered dietitian since 2010, She is currently working as an author, and clinical dietitian at Zotezo. She has experience in various fields of nutrition including research, fitness, medical weight loss, long-term care, rehab, and bariatrics. She has also been contributing to various online entities since 2011 including Examiner.com, Livestrong, and Cdiabetes.com