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5 Best Biotin Supplements & Gummies For Hair Growth

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Medically reviewed by Kimberly Langdon, MD

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Kiierr Biotin

Kiierr Biotin

  • High concentration of biotin per serving
  • Contains elderberry and coconut oil
  • Low-calorie gummies

Buy 3 Get 25% Off

Life Extension Biotin

Life Extension Biotin

  • Very affordable yet high-quality biotin supplement
  • 12-month return policy
  • Certificate of Analysis available for products

HUM Hair Sweet Hair

EU Natural Biotin

  • No fillers or additives in supplement
  • Supplement ingredients are third-party tested for purity
  • 90-day refund policy

Achieving long and healthy hair can be a confusing and sometimes frustrating experience. Every season there is new advice about protective styles, the use of hair oils and styling products, and even how often to wash and condition your hair.

What you put into your body also has an impact on achieving a long mane of hair.

Biotin is a popular hair growth supplement and vitamin that is touted to improve the appearance and health of your hair. It can be especially helpful for people with hair disorders or biotin deficiencies. 

If you’re looking for a way to boost hair growth from the inside out, we’ve rounded up for you some of the best biotin supplements and gummies for hair growth in 2022.

Best Biotin Supplements & Gummies For Hair Growth in (August. 2022)

What Is Biotin?

Biotin is an essential water-soluble B vitamin[1], also known as vitamin B7 or vitamin H. This vitamin is found in meat, organ meats like beef liver, fish, eggs, seeds, and vegetables like sweet potatoes.

Healthy hair is dependent on the presence of biotin in the diet. Biotin stimulates the production of keratin, a structural protein found in hair that helps prevent heat damage, frizz, and hair breakage.

Deficiencies in biotin can contribute to alopecia[2] and dermatitis, inflammatory conditions that result in significant hair loss. Supplementation with between 500-1000 mcg of biotin daily can help reverse biotin deficiencies and help strengthen hair.

Current research suggests that biotin supplementation can be effective in improving hair growth and scalp health in certain hair disorders[3] and people with biotin deficiencies.

Read on to see our top 5 Best Biotin Supplements & Gummies For Hair Growth 2022

The Line Up At A Glance

Kiierr Biotin

Editor’s choice

Kiierr Biotin

  • High concentration of biotin per serving
  • Contains elderberry and coconut oil
  • Low-calorie gummies

Buy 3 Get 25% Off

Life Extension Biotin

Best Budget

Life Extension Biotin

  • Very affordable yet high-quality biotin supplement
  • 12-month return policy
  • Certificate of Analysis available for products

HUM Hair Sweet Hair

Best Holistic

HUM Hair Sweet Hair

  • Contains multiple ingredients beneficial for hair growth
  • Third-party tested for potency
  • Access to expert advice from dietitians

EU Natural Biotin

Cleanest Formula

EU Natural Biotin

  • No fillers or additives in supplement
  • Supplement ingredients are third-party tested for purity
  • 90-day refund policy

Thorne Research Biotin-8

High Potency

Thorne Research Biotin-8

  • High potency biotin supplement
  • Trusted brand with high-quality standards
  • 60-day money-back guarantee

Best Biotin Supplements & Gummies For Hair Growth 2022

Kiierr Biotin

Kiierr Biotin

Buy 3 Get 25% Off

See Kiierr Reviews

To get the best biotin supplement for your hair, look towards brands dedicated solely to hair growth. Kiierr is a well-known hair growth brand with high-quality biotin supplements that work.

  • High concentration of biotin per serving
  • Contains elderberry and coconut oil
  • Low-calorie gummies
  • No refunds on supplements

Kiierr is a hair growth company co-founded by husband-and-wife team Mike and Jolene Anderson after discovering the benefits of low-level light therapy (LLLT) for reducing hair loss. Though their business started off with LLLT laser caps for hair growth, their line has expanded to include hair care products and supplements for hair growth.

Kiierr’s Biotin Gummies for Hair Growth is a part of Kiierr’s highly-rated range of hair growth supplements and products.

Kiierr’s biotin gummies contain 5,000 mcg of biotin in every two-gummy serving, along with coconut oil and elderberry. Elderberry is an antioxidant superfood and contains many nutrients that are beneficial for hair growth[4], including vitamin C and zinc. Getting enough fatty acids in your diet, like those found in coconut oil, can also be beneficial for healthy hair.

These gummies are also free of artificial sugars and artificial flavors, food additives, and high fructose corn syrup.

A one-month supply (60 gummies) costs $34.95 per bottle, with savings if you choose to buy in bulk.

Before you buy Kiierr’s gummies in bulk, you should note that Kiierr does not allow any refunds on their supplements. 

Life Extension Biotin

Achieving healthy hair should also be affordable. Life Extension has biotin supplements that are high quality, well-tested, and able to fit into most budgets.

  • Very affordable yet high-quality biotin supplement
  • 12-month return policy
  • Certificate of Analysis available for products
  • Lower dose of biotin compared to others

Life Extension is a well-known and reliable brand that makes nutritional supplements and products that are always backed by science and of high quality.

At the heart of Life Extension’s brand are transparency and customer service. Life Extension has been recognized as the #1 Catalog/Brand Merchant 4 times by ConsumerLab.com and is highly recommended by customers. All of their products have a Certificate of Analysis available so that you know that you’re getting a high-quality product.

A single-capsule dose of Life Extension biotin has 600 mcg of biotin. These vegetarian capsules are non-GMO and gluten-free. For best results, take this biotin supplement with food.

Life Extension has one of the most affordable biotin supplements on the market. A 100-count bottle of Life Extension’s biotin capsules only costs $6.00. You can save 12% on your purchase if you choose to auto-ship or do a one-time purchase of 4 bottles.

If you’re not satisfied with a purchase made directly from the Life Extension website, most products can be returned within 12 months of purchase.

HUM Hair Sweet Hair

Hair depends on a number of nutrients to stay healthy. HUM’s Hair Sweet Hair is filled with vitamins, minerals, and botanical ingredients that work together to boost hair growth.

  • Contains multiple ingredients beneficial for hair growth
  • Third-party tested for potency
  • Access to expert advice from dietitians
  • Fo-ti may cause side effects and allergic reactions

HUM is a beauty nutrition business that focuses on the link between nutrition and beauty to help people with their health and beauty goals.

HUM is about giving their customers personalized nutrients and botanicals through access to a free personal registered dietitian nutritionist who will not only answer questions about supplements but about other lifestyle changes to support your body. 

Not only does HUM’s Hair Sweet Hair supplement contain 5,000 mcg of biotin, but it also contains zinc, folic acid, vitamin B12, para-aminobenzoic acid (PABA), and Fo-ti (Polygonum multiflorum) to promote hair growth.

These gummies can be taken at any time, so you don’t have to worry about taking this gummy with food. Hair Sweet Hair is also gluten-free, non-GMO, and free of artificial sweeteners and colors.

A 30-day (60 gummies) supply of HUM’s Hair Sweet Hair gummies is only $26 per bottle.

Unopened HUM products can get a full refund within 30 days. If you do use your supplement, HUM offers store credit if your product is returned in the 30-day window.

EU Natural Biotin

Your supplements should contain only the ingredients they need. EU Naturals offers a biotin supplement with a clean formula free of fillers, binders, or artificial ingredients.

  • No fillers or additives in supplement
  • Supplement ingredients are third-party tested for purity
  • 90-day refund policy
  • Some customer reviews report gastrointestinal symptoms from supplement

EU Naturals was founded in 2013 with the goal to empower customers and their health. Their brand commits to using high-quality ingredients that are research-backed, making supplements without fillers and “junk,” and shipping supplements at the peak of freshness to their customers.

EU Natural’s biotin contains 5,000 mcg of biotin per single-capsule serving. EU Natural recommends taking this supplement with food and water.

There are no fillers, binders, or artificial ingredients in these vegetarian capsules. EU Natural’s biotin supplements are also third-party tested for purity.

A 120-capsule count bottle of EU Natural’s biotin costs $19.99. You can purchase a 3-pack or 6-pack of this biotin supplement to save even more. Choosing a monthly subscription can save you 10% on your purchase with additional free shipping.

If you’re not happy with your purchase, EU Naturals offers a 90-day, 100% money-back guarantee. They also have excellent customer service so that making a return can be easy.

Thorne Research Biotin-8

Thorne Research Biotin-8

If you have a biotin deficiency or condition that needs an extra biotin boost, Thorne’s Biotin-8 is for you. This high-potency biotin supplement supports healthy hair growth and more.

  • High potency biotin supplement
  • Trusted brand with high-quality standards
  • 60-day money-back guarantee
  • Dosage may interfere with lab tests

Thorne is a supplement brand with the aim to empower customers to improve and extend their health span through supplement formulations, health testing, and education.

This brand participates in clinical research partnerships, uses AI models for personalized health, and even partners with a number of sports teams.

If you’re looking for a high-potency biotin supplement, Biotin-8 is the right choice for you. Biotin-8 has 8mg (8,000 mcg) of biotin, which is significantly higher than most other biotin supplements on the market. Each capsule of Biotin-8 is also quite small, so it is easier to take than some other capsule supplements.

Despite having a high concentration of biotin and strict testing standards, Throne’s Biotin-8 is still an affordable price.

A 60-capsule bottle of Thorne’s Biotin-8 costs $24. If you choose a subscription to Biotin-8, you can save 10% on your refill. Subscribing to 3 or more Thorne products can save you 20% on refills.

Thorne has a 60-day money-back guarantee on all products purchased from Thorne or any of their resellers.

How Much Biotin Should A Person Take?

According to the established adequate intake[5] for biotin, men and women ages 19 years and older, and pregnant women should have 30 mcg of biotin daily. During lactation, the requirements for biotin increase to 35 mcg daily.

Many beauty experts and professionals recommend taking between 2000-5000 mcg of biotin daily to support hair strength and growth.

Currently, there is no upper limit for biotin intake, nor are there any toxic side effects when biotin is taken at high doses.

While taking a biotin supplement may not result in any obvious side effects, supplements containing 5,000-10,000 mcg (5-10 mg) of biotin can interfere with certain lab tests. Some tests affected include those for hormones (e.g., progesterone, estrogen, testosterone, and follicle-stimulating hormone), thyroid function tests, and cortisol levels. 

To prevent inaccuracies in lab testing, patients may have to stop taking biotin supplements up to 72 hours before their tests.

How To Choose The Best Biotin Supplement?

In our list, we’ve chosen some of the best biotin vitamins on the market today, but there are many other options available to choose from.

Need help figuring out what is the best biotin supplement for you? Consider these tips when making your choices for a high-quality biotin supplement.

Check the Dose

To support healthy hair growth, the dosage of your biotin supplement matters. Look for biotin supplements that contain at least 500-1000 mcg of biotin per serving. Depending on your individual condition, you may want to choose biotin supplements that have 5,000 mcg of biotin or more per serving.

Choose for Third-Party Tested Brands

As with any supplement, it is important to make sure you’re receiving what you’ve paid for. Some supplement brands make empty promises for what their products contain. The best biotin supplement should be third-party tested so that you can have better faith in the potency, purity, and quality of your supplement.

Consider Your Supplement Form

The only way to get the benefits from a biotin supplement is to take them. Luckily, biotin supplements are available as biotin gummies or biotin capsules, and either form tends to have similar amounts of biotin per serving. Consider whether a daily gummy or capsule is easier for you to remember to take daily. This way, you don’t have to struggle to take a supplement in a form that does not work for you.

Look For Ingredients That Support Healthy Hair

While biotin may be the star of your hair growth supplement, there are other vitamins, minerals, and botanicals that can support hair health. Supplements that contain other B vitamins, zinc, and herbal botanicals for hair growth can give holistic support for healthy hair.

Final Thought

Biotin is an essential vitamin and popular hair growth supplement that many swear by. It is an essential component of the structure of keratin, which reduces breakage and gives your hair a glossy and healthy look.

If you have a varied and healthy diet that gives you enough biotin daily, you may not experience significant benefits from taking biotin. However, people with biotin deficiencies or conditions that increase biotin needs may benefit from taking a biotin supplement for their hair.

When looking for the best biotin supplement for hair, think about your hair needs. Do you need a supplement with concentrated biotin? Would you prefer taking a capsule or biotin gummy? Do you want a biotin supplement that only has biotin or one that has other ingredients to support healthy hair?

Hair growth is based on a number of factors. Beyond biotin, there are many vitamins, minerals, and fatty acids that are necessary for healthy hair. Eating a balanced diet containing all food groups can help you get the nutrients that you need. How you treat your hair also influences your hair growth – excessive heat styling, inadequate moisture to your hair, hair dye and chemical relaxers, and even tightly pulled hairstyles can contribute to hair loss.

If you notice that you have excessive hair loss, speak with a healthcare professional like a dermatologist to get to the foot of your hair loss issues. Speak with a healthcare professional before starting a new supplement to see if it is safe for you.

Frequently Asked Questions

Is Biotin safe to take every day?

Biotin is safe to take daily and can be taken with other supplements.

Does biotin gummies work for hair growth?

Biotin can be beneficial for hair growth for people who have a biotin deficiency, alopecia, and other hair disorders, or a chronic condition that increases biotin needs such as gastrointestinal conditions, endocrine disorders, multiple sclerosis, or excessive bleeding.

What are the benefits of biotin?

Biotin can help improve skin health, strengthen brittle nails, and fight hair loss. Additional health benefits of biotin include supporting regular cell activity, nerve health, and a healthy metabolism.

Are there any potential side effects of Biotin?

High-dose biotin supplements may cause interactions with laboratory tests like cortisol, thyroid function tests, and hormone labs. Otherwise, there are no other potential side effects from taking a biotin supplement.


+ 3 sources

Health Canal avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in Health Canal, you can read more about the editorial process here

  1. Nih.gov. (2020). Office of Dietary Supplements – Biotin. [online] Available at: https://ods.od.nih.gov/factsheets/Biotin-HealthProfessional/
  2. ‌DiBaise, M. and Tarleton, S.M. (2019). Hair, Nails, and Skin: Differentiating Cutaneous Manifestations of Micronutrient Deficiency. Nutrition in Clinical Practice, [online] 34(4), pp.490–503. Available at: https://pubmed.ncbi.nlm.nih.gov/31144371/ 
  3. Almohanna, H.M., Ahmed, A.A., Tsatalis, J.P. and Tosti, A. (2018). The Role of Vitamins and Minerals in Hair Loss: A Review. Dermatology and Therapy, [online] 9(1), pp.51–70. Available at: https://pubmed.ncbi.nlm.nih.gov/30547302/

Written by:

Markita Lewis, MS, RD

Medically reviewed by:

Markita Lewis, MS, RD is a registered dietitian and a freelance health and wellness writer practicing in the Los Angeles area. As a clinician, Markita has several years of experience working with adult and pediatric patients in inpatient and outpatient settings. Markita has also conducted research in areas including diverticulosis, age-related macular degeneration, and cultural eating patterns.

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