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Olly, Thorne, and FullWell are among the best vitamins for hair growth and thickness. See what other products our nutritionists recommend.

While factors such as age, genetics, hormones, and medication may affect your hair, nutrition is key for hair health throughout life. In particular, the vitamins B, C, and D plus iron and zinc play important roles.

Some supplements are formulated with these nutrients to support hair growth, strength, and thickness. But sometimes a multivitamin or a nutrient-specific supplement will do.

Here are 7 high quality supplements that supply the nutrients your hair needs.

A note on price

Prices for vitamins that support hair growth may range from $0.04–$2.93 per serving, or $12.59–$88 per container.

Pricing guide

  • $ = under $0.25 per serving
  • $$ = $0.25–$1.00 per serving
  • $$$ = $1.01–$1.50 per serving
  • $$$$ = over $1.50 per serving
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Best subscription

Nutrafol Women

  • Price range: $$$$
  • Dose: 4 capsules per day
  • Active ingredients: biotin, iodine, zinc, selenium, collagen, sensoril ashwagandha, saw palmetto, curcumin extract, full-spectrum palm extract, hyaluronic acid, L-cysteine, L-lysine, L-methionine, keratin, horsetail, Japanese knotweed extract, black pepper extract, capsicum extract, and vitamins A, C, and D

Nutrafol’s formulation includes numerous ingredients known to support healthy hair. For example, saw palmetto may help increase hair density, and hyaluronic acid can help boost hair moisture. Vitamin C contributes to the synthesis of collagen, which contains amino acids that can be used to build keratin — an important part of hair structure.

As a subscription service, Nutrafol offers customers the convenience of a steady supply of the product.

We also like that the company makes products specific to both women’s and men’s hair health, with nutrients appropriate for both. It also makes a formula specific for postpartum hair loss.


  • third-party tested for heavy metals, pesticides, and chemicals
  • clinically studied
  • gluten-free
  • available in women’s and men’s formulations


  • expensive
  • not third-party tested for purity and potency
  • not vegan-friendly
  • subscription required
  • serving size is 4 capsules
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Best gummy

OLLY Heavenly Hair

  • Price range: $$
  • Dose: 2 gummies per day
  • Active ingredients: biotin, zinc, keratin, amla extract, horsetail extract, silica

If you are not a fan of swallowing tablets or capsules, a gummy vitamin could be a better option.

OLLY Heavenly Hair Gummies contain biotin and zinc, as well as several herbs that may support hair growth.

For example, the gummies include amla extract, or Emblica officinalis Gatertn, which when used topically, has been shown to be effective for improving hair density and growth. Oral use of amla has not been found to have the same effect.

The gummies also contain horsetail extract and silica, which may help prevent hair shedding and thinning, though research is mixed. Horsetail can also interact with certain medications, so it’s important to consult a healthcare professional before trying this supplement.


  • gummy form that some people may tolerate better
  • contains zinc, biotin, and several herbs that may support hair health and growth
  • third-party tested
  • gluten-free


  • contains horsetail, which can interact with certain medications
  • limited research on the effectiveness of several ingredients
  • 2 grams of added sugar per serving
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Best women’s multivitamin for hair

Garden of Life mykind Organics Women’s Once Daily

  • Price range: $$
  • Dose: 1 tablet per day
  • Active ingredients: vitamin A, vitamin C, vitamin D, vitamin E, vitamin K, thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, biotin, pantothenic acid, iron, zinc, selenium, manganese, chromium, Organic Food Blend

While not specifically formulated for hair growth, a multivitamin may help fill nutrient gaps in your diet, which could cause hair loss.

This women’s multivitamin contains nutrients derived from whole food ingredients, which may be more bioavailable.

It also contains specific nutrients important for healthy hair, like zinc, vitamin C, B vitamins, vitamin D, and iron.

Note that this product contains more than 100% of the Daily Value (DV) for some nutrients, which may be an excessive dose for some.


  • contains iron, zinc, vitamin C, B vitamins, and vitamin D
  • whole food-based
  • third-party tested
  • gluten-free, organic, and vegan


  • includes rather high doses of some nutrients
  • contains a proprietary blend, which people with certain food sensitivities may need to avoid
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Best men’s multivitamin for hair

Ritual Essential for Men Multivitamin 18+

  • Price range: $$$
  • Dose: 2 capsules per day
  • Active ingredients: vitamin A, vitamin D3, vitamin E, folate, vitamin B12, magnesium, zinc, boron, omega-3 DHA, vitamin K2

Ritual’s subscription multivitamin for men contains important nutrients for hair health, such as zinc, and vitamins B12 and D.

It also contains omega-3 docosahexaenoic acid (DHA), an omega-3 fatty acid that may be effective in promoting hair growth, improving hair density, and reducing hair loss.

Ritual vitamins are designed to fill nutrient gaps in the diet, rather than provide 100% of the DV, making it a great option for someone eating a well-balanced diet that includes nutritious foods like fruits, vegetables, and lean protein.


  • contains zinc, vitamin B12, vitamin D, and omega-3 DHA
  • third-party tested
  • gluten-free and major allergen-free
  • vegan


  • not a comprehensive multivitamin, which may be a pro for some
  • requires subscription
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Best prenatal vitamin for hair growth

FullWell Women’s Prenatal Multivitamin

  • Price range: $$$$
  • Dose: 8 capsules per day
  • Active ingredients: thiamine, riboflavin, niacin, folate, biotin, pantothenic acid, choline, calcium, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum, potassium, inositol, betaine HCl, and vitamins A, C, B6, B12, D, E, and K2

FullWell Prenatal Multivitamin provides a broad spectrum of vitamins and minerals that may support hair growth, including B vitamins, zinc, and vitamin D.

Designed for people who are pregnant or nursing, this prenatal product contains choline — a nutrient that other prenatal vitamins often lack — and methylfolate, which is a more absorbable form of folate.


  • uses chelated minerals for optimal absorption
  • high in choline and vitamin D
  • third-party tested
  • COA available upon request


  • expensive
  • does not contain iron
  • should be paired with a prenatal omega-3 supplement
  • requires an 8-capsule serving
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Best postnatal vitamin for hair growth

Ritual Essential for Women Postnatal Multivitamin

  • Price range: $$$
  • Dose: 2 capsules per day
  • Active ingredients: folate, biotin, choline, iron, iodine, magnesium, zinc, boron, omega-3 DHA, and vitamins A, C, B12, D3, E, and K2

After giving birth, many women notice extra hair shedding, which can be alarming.

Some may consider switching from a prenatal to a postnatal vitamin. This will typically contain higher doses of certain nutrients designed to support recovery postpartum, regardless of whether you choose to breastfeed.

Ritual’s subscription-based postnatal vitamin contains a variety of vitamins and minerals. It contains docosahexaenoic acid (DHA), an omega-3 fatty acid that may be effective in promoting hair growth, improving hair density, and reducing hair loss.

It also includes vitamin D, iron, and zinc, all of which have been linked to hair loss in people with these nutrient deficiencies.


  • contains omega-3 DHA
  • designed for easy absorption
  • vegan-friendly
  • third-party tested
  • gluten-free


  • requires a subscription
  • expensive
  • low in choline
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Best collagen supplement for hair growth

Thorne Collagen Plus

  • Price range: $$$$
  • Dose: 1 scoop (16.5 grams) per day
  • Active ingredients: collagen, nicotinamide riboside hydrogen malate, betaine anhydrous, fruit extract

Collagen is a type of protein that contains amino acids that can be used to build keratin, the protein found in hair.

Recently, collagen has become a popular supplement for healthy hair, skin, and nails. However, the research on its effectiveness for hair growth is limited.

Still, if you want to try a collagen supplement, this Thorne product is one of the best options.

Thorne Research Collagen Plus is designed to support healthy hair, skin, and nails by providing a combination of collagen peptides, plant-based antioxidants, and nicotinamide riboside — a compound that may help promote healthy aging and cellular repair.


  • formulated to support hair health
  • made in NSF-certified facilities


  • expensive
  • may not be third-party tested for purity and potency
  • not vegan-friendly
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ProductPrice Best forVegan-friendly
Nutrafol Women$$$$women with thinning hairno
OLLY Heavenly Hair3$$people who prefer gummiesno
Garden of Life mykind Organics Women’s Once Daily3$$women who want a multivitamin to support hair healthyes
Ritual Essentials for Men Multivitamin 18+3$$$men who want a multivitamin to support hair healthyes
FullWell Women’s Prenatal Multivitamin3$$$$pregnant or nursing womenno
Ritual Essentials for Women Postnatal Multivitamin3$$$postpartum womenyes
Thorne Collagen Plus$$$$people who prefer a powder supplementno

3This product has been third-party tested by an accredited lab to ensure purity and potency.

  • Brand reputation and quality testing: All the products on our list are manufactured by reputable brands and tested for quality. In the absence of third-party testing, we look for products from reputable companies that manufacture in facilities that comply with the Current Good Manufacturing Practices (CGMPs) established by the Food and Drug Administration (FDA).
  • Effective ingredients: We chose products containing nutrients that have been shown to be important for hair growth. We also prioritized supplements that contain more easily absorbed forms of nutrients.
  • Type of supplement: This list features supplements to suit a variety of needs and preferences.
  • Your individual needs: Getting enough vitamins and minerals is important for supporting healthy hair, but consuming too much of some, such as vitamins A and E, could lead to hair loss and even vitamin toxicity. Consult a healthcare professional to see which supplements are worth adding to your wellness routine.
  • A doctor’s recommendations: A doctor can determine the cause of your hair loss and develop a personalized treatment plan.
  • Third-party testing: It’s always a good idea to choose supplements that have been third-party tested to help ensure that they are safe and that their labels are accurate.

What is the best vitamin for hair growth?

The nutrients most often associated with supporting healthy hair growth include vitamin D, vitamin C, zinc, and iron.

Are Olly hair vitamins good?

Olly hair vitamins are a good gummy option for individuals who dislike swallowing pills. They contain zinc, as well as amla extract, which may support hair density and growth.

Which supplements are best for hair loss in females?

The best supplements for hair loss in women will likely contain nutrients like iron, zinc, and vitamin D that support hair growth.

For example, Nutrafol Women is our top pick for best subscription supplement for hair health. The company also makes a product specifically formulated to help with postpartum hair loss.

If you or someone you know has questions about hair loss, a helpful first step is talking with a healthcare professional to help determine what’s causing the hair loss and create a treatment plan based on your individual needs.