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Best Biotin for Hair Growth: Top 5 Recommendations for 2024

Biotin (vitamin B7) is a soluble vitamin that belongs to the B-complex group and has recently revolutionized the hair care market for its claimed benefits to support hair growth.

While the internet propagates its proposed benefits like wildfire, science is still uncertain about the potential of this compound. Current evidence suggests that its hair-boosting properties may only benefit those with B7 deficiencies.

Consequently, we have embarked on a quest to answer two fundamental questions: “What is the best biotin for hair growth?” and “Does biotin work for hair growth?” Join us as we untangle the complex universe of this vitamin.

Best biotin for hair growth: a shortlist

  1. Future Kind — best biotin vitamins for hair growth
  2. HUM — best biotin gummies for hair growth
  3. Isagenix — best biotin supplement for hair and scalp health
  4. Vegamour — best biotin gummies for beginners
  5. Nutrafol — best biotin capsules for hair health

How we compiled our list of the best biotin for hair growth

Many brands compete for your wallet, frequently making unreliable claims about the benefits of their products. For this reason, we have thoroughly researched the market and selected five top brands that truly stand out in the following criteria:

FormulasTailored for various dietary preferences
DosageOptimal dosage of biotin per day
Brand TransparencyInformation about manufacturing, sourcing, and testing practices
  • Pricing. Supplements tend to overcharge their customers for unnecessary ingredients and shipping. Therefore, we selected brands committed to delivering top-notch products while being mindful of your budget.
  • Formulas. Our selection encompasses formulas for various dietary preferences and needs, from vegan formulas to gluten-free or low-calorie options. Moreover, we also considered the potential of added ingredients to support hair and scalp health.
  • Dosage. We chose providers that feature biotin quantities below the tolerable upper intake level. Additionally, we considered the dosages of any additional ingredients included.
  • Brand Transparency. Many providers avoid disclosing their production practices, leaving customers clueless about how their product is made. Consequently, our ranking prioritized brands with open-sourcing, manufacturing, and testing policies.

Best biotin for hair growth: an overview

We conducted extensive research in the biotin market, considering ingredients, dosages, brand reputations, and formulations to identify supplements that offer unique features for diverse hair needs.

Our mission is to help you discover the ideal match tailored to your preferences, ending the frequently asked question of “What is the best biotin for hair growth?” once and for all.

1. Future Kind — best biotin supplement with vitamins for hair growth

Future Kind Vegan Collagen Booster Supplement

While many brands are secretive about their sourcing and manufacturing practices, Future Kind aims to change this outlook — delivering a meticulously curated and thoroughly tested product to support hair growth.

Vegan Collagen Booster Supplement boasts a rich formula with 16 ingredients, including silica from bamboo extract, amla, grape seed extract, and aloe, all renowned for their potential to nurture and preserve hair and scalp health.

Moreover, Future Kind also includes a blend of vitamins and minerals, which may help reduce nutritional deficiencies and, in return, improve overall hair appearance.

It is available for $29.99 in an easy-to-swallow capsule. Its serving size is 2 capsules that can be taken throughout the day. The brand recommends seeking medical advice before using this product if you are pregnant, nursing, or under 18.

2. HUM — best gummies with biotin for hair growth

HUM Hair Strong Gummies

HUM Hair Strong Gummies deliver a vegan and gluten-free formula with biotin, zinc, folic acid, vitamin B12, and Fo-Ti (polygonum multiflorum root extract) specially crafted to target hair and scalp health.

While biotin, B12, folic acid, and zinc are believed to play an important role in healthy hair follicles, Fo-Ti and PABA (para-aminobenzoic acid) may be beneficial to support aging hair, particularly preserving color. However, it is important to note that the evidence of these ingredients is still very limited.

HUM is vegan, gluten-free, and does not feature synthetic colors or artificial sweeteners. Moreover, it also claims to undergo third-party testing to ensure its supplements are free from heavy metals and chemicals.

Available for $26, HUM recommends taking 2 gummies a day, with or without food, for best results.

3. Isagenix — best supplement to support hair and scalp health

Isagenix Hair Revival

The scalp plays a crucial role in the health of hair follicles, yet many biotin brands overlook its importance. Isagenix Hair Revival aims to change this perspective with a unique formula that not only nourishes and soothes the scalp but may also support overall hair health.

The supplement includes banana flower extract, a compound packed with antioxidants and flavonoids that may be beneficial to support hair growth. A recent clinical study with 50 participants concluded that this extract may reduce shedding and scalp redness. Moreover, Hair Revival also includes amla, biotin, and other vitamins to elevate hair's appearance.

Isagenix claims to be clinically tested and to use high-quality ingredients in its formulations. It is also free from gluten, soy, additives, and preservatives.

The brand recommends taking two tablets twice a day for best results. It is suitable for all hair types.

It is available for $62, but you can also choose a bundle package for $117.

4. Vegamour — best beginner-friendly biotin gummies

Vegamour GRO Biotin Gummies

If you are new in the biotin universe, Vegamour may be your ideal match. With its palatable gummy format, this biotin supplement is low on calories and specially crafted to support your hair wellness journey.

GRO Biotin Hair Strong Gummies are packed with antioxidants that may help fight free radicals and enhance overall well-being. Factors like stress or poor nutrition habits can take a toll on your body, including your hair. Consequently, providing the body with essential vitamins and minerals may help to improve hair and scalp health.

These gummies take a spot in our list due to their convenient usage — just one gummy a day is enough to complete the recommended daily intake. Moreover, the formula is vegan and hormone-free.

The bundle of this product includes 90 servings and is available for $108.00.

5. Nutrafol — best biotin supplement for women’s hair health

Nutrafol Women

Nutrafol Women may be the perfect match for those seeking a biotin supplement that targets hair concerns in multiple hair textures. With a unique proprietary blend that combines herbs, minerals, biotin, and other vitamins, this product is especially targeted to support shedding.

This product stands out in our ranking due to its formula, specifically designed to address hair shedding and thinning. It incorporates various compounds with some scientific background to support hair loss, including ashwagandha and saw palmetto. Moreover, it also features biotin and vitamins E, C, and D, which may help to support the body during stressful times.

Nutrafol counts with a clinical study that evaluated its usage in 98 participants, showing improvements in hair thickness as well as less noticeable shedding in men and women of various ethnic backgrounds.

For best results, the provider recommends taking 4 capsules with a fat-rich meal. The supplement is formulated without gluten, dairy, soy, or artificial additives.

Nutrafol Women is available for $88 and charges $6.95 for shipping.

Comparing the best biotin for hair growth

ProductPrice per servingDosageBiotin per servingAdded ingredients for hair healthThird-party tested
Future Kind$0.992 capsules2500 mcgSilica, zinc, and vitamin AYes
HUM$0.862 gummies5000 mcgB12, folic acid, and zinc, Fo-ti, and PABAYes*
Isagenix$1.032 tablets 150 mcgBanana flower extract, niacin, selenium, and amlaYes*
Vegamour$1.201 gummy5000 mcgB Complex vitamins, vitamins A, C, E, and zincYes*
Nutrafol$2.934 capsules3000 mcgVitamins, biotin, iodine, zinc, selenium, sodium, collagen, and hyaluronic acidYes

* The brand claims to be third-party tested but does not provide any certificates or documents that support this statement

What is biotin?

Biotin, also known as B7, is a water-soluble vitamin that plays an important role in various bodily processes, including gene regulation, cell signaling, and keratin production. The latter comprises the structural protein of hair, nails, and skin.

Although scientific research yields mixed results regarding the hair-nurturing properties of biotin, it is suggested that deficiencies of this vitamin may lead to various side effects, including skin rashes, brittle nails, and hair loss.

Adopting a balanced diet is the best way to maintain healthy levels of this element, particularly by incorporating foods enriched with this vitamin, like beans, nuts, liver, cooked eggs, or pork. However, various conditions may affect the levels of biotin, and supplementation may be a good option in these cases.

How does biotin impact hair growth?

Many users often wonder, “What is the best biotin for hair growth?” as supplementation with this vitamin is frequently promoted as the holy grail of hair growth. Nevertheless, it is paramount to explore the potential of biotin to address hair loss before selecting any supplement.

The evidence supporting biotin for hair loss is quite limited and only seems to have positive effects in the case of deficiencies. Biotin deficiencies have been associated with certain genes or medical conditions, and supplementation with this compound only showed promise to support hair growth in these specific cases. Moreover, it is important to acknowledge that deficiency of this vitamin is very rare in healthy adults.

Other health benefits of biotin

Even though the evidence of biotin for hair growth is very limited, its usage has been investigated in other fields, showing potential to address various health concerns:

Brittle nails

Biotin plays a role in keratin production and is involved in preserving the nail’s strength and tension, resulting in a growing interest in this vitamin to improve nail health.

Biotin intake has been demonstrated to play a role in nail appearance with some evidence indicating that it may have a positive effect on conditions like brittle nails.


This vitamin has been proposed as a positive compound to manage various health conditions, including diabetes.

A systematic review and meta-analysis sheds light on the potential of this vitamin to decrease fasting blood glucose levels, total cholesterol, and triglycerides. Nonetheless, additional evidence is needed to understand the full potential of this vitamin.

Multiple sclerosis

Some research has explored the potential of biotin to prevent neurodegeneration (loss of nerve function), with favorable prospects in individuals with multiple sclerosis (MS).

Limited evidence proposes that high doses of biotin may support individuals with MS, observing benefits in patients' walk time. However, more research is needed to confirm the application of this vitamin for the condition.

Side effects and considerations of using biotin

While biotin is generally safe to use, there have been some concerns about its interference in various laboratory tests.

The FDA especially warns about its falsely low results of troponin, a clinically important biomarker to aid in the diagnosis of heart attacks. Additionally, it has also been suggested to affect various thyroid markers.

Biotin may also interact with medications, including anticonvulsants such as carbamazepine, primidone, phenytoin, or phenobarbital, which could potentially affect the absorption of biotin.

For this reason, it is imperative to consult with your healthcare provider about the usage of biotin supplements, especially if you are subject to laboratory testing or taking medication.

Tips for maximizing the hair growth benefits of biotin

Healthy adults do not require supplementation with biotin unless they have a deficiency. Furthermore, maintaining a balanced diet and an active lifestyle may be key to improving the appearance of your hair and skin. Some other tips include:

  • Engage in a nutritious diet. Vitamin and mineral deficiencies have been associated with hair loss. Consequently, ensuring your body receives essential nutrients through a healthy diet is key to supporting your hair growth journey.
  • Avoid damaging your hair. Hair dyes, bleach, chlorine, and other chemicals may harm your hair. Therefore, it is important to protect your hair and scalp from excessive exposure to these compounds.
  • Heat exposure. Heat exposure is detrimental to the well-being of hair. Excessive usage of heating tools may cause breakage and damage, exacerbating hair loss.
  • Use optimal shampoos and conditioners. Choosing products designed for your hair type is paramount to enhance the appearance of your hair. Additionally, it is fundamental to apply shampoo only on the scalp and follow its usage. with a conditioner to protect and improve the strength of your hair.

Other ways to strengthen your hair

There are many reasons why you may be experiencing hair loss. Some may compromise mineral and vitamin deficiencies, especially of riboflavin, folate, B12, biotin, or zinc. Consequently, adding these sources to your diet or choosing supplementation with B complex or other essential nutrients may help to address these deficiencies and improve your hair health.

Another factor highly related to hair shedding is stress. The stress hormone cortisol is known to affect the function of the hair follicle and may contribute to hair loss when present in excessive amounts. Activities such as deep breathing, meditation, or exercise may help to reduce stress and in return prevent hair loss.

Best biotin for hair growth — conclusion

Powders, capsules, oils, and gummies comprise the vast selection of biotin supplements, each designed with particular doses and ingredients to meet the preferences and needs of numerous users.

Supplementation with this vitamin frequently combines B7 with other vitamins, minerals, and herbal compounds in hopes of elevating hair health and mitigating nutritional deficiencies that may cause hair loss.

However, supplementation with biotin is not a necessary part of a healthy diet. Fueling your body with optimal nutrition is the best formula to enjoy nourished, shiny, and healthy hair.

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