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The top 5 Biotin supplements for hair growth, according to scientific research

Beauty, hair, skin, health.

We tested the 28 most popular biotin supplements. Here are the winners of our test.

Find out our test winner

iotin’s growing popularity may be well deserved. Scientific studies have proven that biotin can prevent hair loss, reduce breakage, strengthen hair, and increase shine. But, with so many biotin supplements in the market, how do you choose one? We’ve tested 28 different brands evaluating quality, dosage, formulation, and reputation to save you time and money. At the end we will introduce you to our top 5 test winners. 

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5 Science-Backed Effects of Biotin on Hair

Check out WEEM, the winner of our test

1. Study from the National Library of Medicine: Found Significant hair growth with biotin

This study conducted clinical trials to test the effectiveness of biotin supplementation on 18 subjects. All cases showed evidence of clinical improvement after receiving biotin.

2. Study from the Journal of Nutritional Health & Food Science : The Role of Nutritional Supplements for Effective Management of Hair Loss

This scientific hypothesis found that several vitamins, including biotin, vitamin D, and vitamin A, play an essential role in preventing hair loss and achieving new hair growth.

3. Study from the Journal of Cosmetology & Trichology: Efficacy of a Nutritional Supplement on Hair Loss and Hair Growth

Researchers tested a new hair growth formula in labs and on 30 volunteers. They found it boosted density, blood flow, and reduced oil in both phases.

4. Study from Hair Therapy & Transplantation: Evaluation of Hair Supplements Function in Hair Loss Treatment

This study has shown that several nutrients present in the composition of hair supplements demonstrate a proven effectiveness.

5. Study from the Journal of Clinical & Experimental Dermatology Research: Evaluation of Biotin on the Hair and Skin of Healthy Women

This study included 90 randomized adult females from 21 to 65 years of age who where unhappy with the appearance of their hair. Results showed positive improvement in both hair growth and hair density.

3 myths about biotin that are still circulating

Biotin accelerates keratin production resulting in hair growth.

Myth 1: Biotin will only help if you’re deficient

The truth is:

Biotin has been proven to prevent hair loss and improve hair growth and thickness even in individuals who don’t have a deficiency of it in their body.

Myth 2: Biotin interferes in thyroid function tests

The truth is:

You would have to take an excessive amount of over 10000 mgc of biotin per day for it to interfere with thyroid tests, a dosage that most biotin supplements don’t even come close to.

Myth 3: Topical biotin products are just as effective as oral supplements

The truth is:

Oral biotin supplements have been proven to be more effective in supporting hair growth and providing every benefit biotin has.

Biotin, Folic Acid, vitamin B and vitamin A are the key ingredients to look for in a hair supplement.

Criteria you should pay attention to when buying a biotin supplement

Be sure to consider this cirteria when buying your biotin supplement.

The big biotin supplement test: which biotin supplement works best?


The test winner: WEEM’s Hair, Skin and Nails vitamin gummies

The bottom line about WEEM’s Hair biotin gummies

WEEM has come at top in our testing for its perfect formulation, rapid results and high quality ingredients. These meet every criteria that a hair supplement should have, they are made up of biotin, folic acid, vitamin b and vitamin a with the right amount of dosage in each ingredient to provide results.
They have a 4.57/5 user rating based on over 5000 customer reviews, making it one of the

best rated biotin supplements we could find on the market.
Thousands of users reported that they noticed fuller, softer, and shinier hair in as soon as 8 weeks of taking WEEM.
The conclusion: Overall WEEM is the most effective and trustworthy, so its our test winner and number one pick.

Price: $25 / 60 gummies

What we like:

  • Perfect combination of biotin, folic acid, vitamin b and vitamin a

  • Visible results in a short period of time

  • Proven effectiveness through customer reviews and testimonials

  • Pharmacy-certified and meets the highest quality standards

What could be better

  • Currently only available online

Summarized

WEEM is our absolute top recommendation for anyone looking for a hair supplement. All the important criteria has been checked by me and my colleague Dr. Alan Powell.

A certified quality product: Nature’s Bounty Hair, Skin and Nails gummies

The bottom line about Nature’s Bounty Hair, Skin and Nails gummies

Ranking second in our testing, we have Nature’s Bounty Hair, Skin and Nails gummies. We saw effective results with these and they met all of our criteria, they have a high dose of biotin and all of the other good ingredients we look for. The only thing we saw with customer reviews is that they may take more than the three months they promise to work.

The conclusion: Overall Narture’s Bounty are a solid choice for their convenience, effectiveness and affordability

Price: $17.56 / 2 pack

What we like:

  • One of the most affordable options in the market

  • Comes in a pack of two bottles with 120 gummies, so it will last a long time

What could be better

  • Could take less time to achieve visible results

  • Claims to help hair, skin & nails but customer reviews showed no improvement in skin or nails

  • Could have a higher dosage of biotin

Summarized

Nature’s Bounty’s Hair, Skin & Nails gummies are a great option and checked all of the boxes we were looking for in our testing.

A certified quality product: Mary Ruth’s Biotin Gummies

The bottom line about Mary Ruth’s Biotin Gummies

Coming in at third place in our list, we have Mary Ruth’s Biotin gummies. These have excellent reviews, customers claim it has “helped grow stubborn baby hairs” and “made hair shinier”. Also a common trait of these is that they taste amazing, plus they come in different flavors for you to choose.

However we did notice a percentage of complains on results taking way longer than the 3 months they promise in their website. Also compared to most in the market, these are a little bit highly-priced.

Price: $29.95 / 1 bottle

What we like:

  • Amazing taste, has different flavor options

  • Helps grow baby hairs

  • Makes hair shiny

What could be better

  • Could take less time to achieve visible results

  • Could be more affordable

Summarized

Mary Ruth’s Biotin gummies are another great choice and they have mostly positive reviews of satisfied customers.

A certified quality product: Viviscal Hair Growth Supplement

The bottom line about Viviscal’s Hair Growth Supplement

Ranking fourth in our list we have Viviscal’s Hair Growth Supplement.
Viviscal has over 10 published clinical studies that support its effectiveness in promoting hair growth and reducing shedding. While most reviewers loved this and they don’t have any dangerous ingredient, some noticed side effects from these like nausea, upset stomach or headaches. These are also the most expensive in our list.

The Conclusion: Viviscal is a great and effective option, however you should consider the potential side effects and high price.

Price: $31.49 / 1 bottle

What we like:

  • Clinically proven

  • Helps hair growth and reduces shedding

  • Mostly positive user reviews

What could be better

  • Could have no potential side effects at all like the others

  • Could be more affordable

Summarized

Viviscal is a great option since its made up natural ingredients and its been proven to work by clinical trials and user reviews, however the risk of experiencing any side effects from this is why they rank at the bottom half of our list.

A certified quality product: Lemme Glow Hair, Skin & Nails Gummies

The bottom line about Lemme Glow’s Hair, Skin & Nails Gummies

And at last but definetly not least we have Lemme Glow’s gummies. Another solid choice with amazing ingredients, really positive reviews and they also have been praised for being really yummy! They come in a variety of flavors like peach, watermelon, and berry lemonade.

The only reason these ranked last in our list is because there’s not as much clinical testing on them like the others have, and they are also the second most expensive in our list so they’re also not in the more affordable side.

Price: $30 / 1 bottle

What we like:

  • Amazing ingredients and formula

  • Taste yummy

  • Positive customer reviews

What could be better

  • Could have more clinical testing to support them

  • Could be more affordable

Summarized

Lemme Glow is a good option since it has nothing but positive reviews and the brand is becoming really popular lately, however the lack of clinical testing does throw us off a bit and its definitely something they should prioritize more.

Our conclusion: Biotin Supplements For Hair Growth

After all of the research and testing we’ve done, we found out that while biotin doesn’t do miracles, it has helped thousands of people who struggle with hair loss, shedding, breakage and even balding.
If you’ve been looking to improve the appearance of your hair, we encourage you to try a biotin supplement consistently and you may experience a lot of improvement, especially if you use one of our recommended and trust-worthy brands.