10 Best Vitamins for Hair Growth & Thickness (2024 Review)

Supplements Considered 30
Supplements
Considered
Hours of Research 158
Hours
of Research
Reviews Examined 100
Reviews
Examined
Experts Interviewed 11
Experts
Interviewed
Lisa Lorraine Taylor, BSc, CPT
Published by Lisa Lorraine Taylor, BSc, CPT | Staff Writer
Last updated: December 11, 2023
We personally test every product featured in our reviews and guides. By ordering products anonymously and getting a group of independent testers, we are able to get first-hand experience and provide data-driven recommendations. Learn more.

No matter the reason, quality dietary supplements can give you strong, long, shiny strands, and healthy hair.

As a certified fitness trainer, I consulted a dermatologist on the best vitamins for hair growth, their ingredients, and possible side effects. We also tested all of the products on the list to ensure only superior quality is at your disposal.

Here are the hair growth vitamins that stood out best in our testing and can help you on the journey to your Rapunzel goals.

The Best Vitamins for Hair Growth

Editor's Choice
Nuzena Hair Growth Support +
Nuzena
Rated 4.9/5
Click For Best Price
2nd Best Choice
Ora Be You Tiful Hair, Skin _ Nails Vitamins
Ora
Rated 4.8/5
Click For Best Price
3rd Best Choice
Nature_s Bounty Biotin Supplement
Nature's Bounty
Rated 4.7/5
Check Current Price

Our Top Product Recommendations (May 2024)

1 - Nuzena Hair Growth Support + (Best Overall & 100% Pure)

Rated 4.9/5
5.0
Ingredients
5.0
Effectiveness
4.7
Price
Nuzena Hair Growth Support +
  • Vitamin B-Complex
  • L-Tyrosine
  • Zinc

Pros and Cons

Pros

  • 100% pure and natural scientifically researched ingredients
  • Suitable for men and women of all ages
  • Formula tested for quality, safety, and efficacy by a trusted third party lab
  • Veggie, non-GMO, gluten-free, and sugar-free capsules

Cons

  • Not intended to treat diagnosed medical conditions like androgenic alopecia

Made and verified in FDA-registered facilities and adhering to GMP guidelines, Nuzena supports your natural hair growth process.

It improves the structure, quality, and volume of your locks from the inside, providing you with a healthy scalp and gorgeous strands as seen in the celebrities’ Instagram photos.

Our tests indicate that this hair supplement enables a multifunctional approach to prevent thinning and loss thanks to a plethora of clinically proven top-quality ingredients like Biotin, Folic Acid, Vitamins A, C, D, E, etc.

Ingredients:

2 - Ora Be You Tiful Hair, Skin & Nails Vitamins (Best Vegan & With Probiotics)

Rated 4.8/5
4.7
Ingredients
5.0
Effectiveness
4.7
Price
Ora Be You Tiful Hair, Skin _ Nails Vitamins
  • Niacin
  • Biotin
  • Ora Beauty Blend

Pros and Cons

Pros

  • Plant-based ingredients from organic sources
  • Men and women of all ages and skin types can use it
  • No soy, gluten, dairy, or GMO

Cons

  • Contains a proprietary blend, and capsules have a strong seaweed flavor not everyone can stand

This hair supplement promises to make your hair, skin, and nails glow. It contains plant-based Vitamins B3 and B7 extracted from quinoa sprouts that are helpful to maintain optimal health of your locks.

According to our tests, it also includes powerful antioxidants from organic seaweed and algae extracts that help decrease oxidative stress levels, protecting your skin from wrinkles and pigmentation.

Plus, a billion probiotics in its vegan formula can support your gut and overall health.

Ingredients:

3 - Nature's Bounty Biotin Supplement (Cheapest & Best for Brittle Hair and Nails)

Rated 4.7/5
4.4
Ingredients
4.9
Effectiveness
4.7
Price
Nature_s Bounty Biotin Supplement
  • Biotin
  • Soybean oil
  • Gelatin

Pros and Cons

Pros

  • Many users have confirmed faster and stronger grown locks and nails
  • Easy to swallow pills
  • Sodium-free, without artificial flavor, sweeteners, gluten, lactose, yeast

Cons

  • May trigger growing of extra facial hair and initial acne breakout

Containing a whopping amount of 10,000 mcg of Biotin, this vitamin may be able to make your beautiful curls and nails less prone to breakage since uncombable, Thin strands, and brittle nails may indicate Biotin deficiency [1].

Based on our tests, these rapid release hair vitamins in softgel capsules made by a trusted manufacturer can also support a healthy nervous system and fat metabolism, helping you convert food into energy.

But, I wouldn’t take such high doses without consulting a doctor.

Ingredients:

4 - SugarBearHair Vitamins (Best Tasting)

Rated 4.6/5
4.5
Ingredients
4.8
Effectiveness
4.5
Price
SugarBearHair Vitamins
  • Vit A
  • Vit C
  • Vit D

Pros and Cons

Pros

  • A powerful vitamin growth vitamins for hair specifically designed to make your locks stronger, longer, and shinier
  • Vegetarian, without gluten, soy, dairy, eggs, gelatin, fish oil, and other animal products
  • Easy to eat, delicious gummies

Cons

  • Might be overpriced, contains sugar but no Collagen, and may cause cystic acne

This chewable gummy bear hair sweet vitamin may be ideal for those who have a sweet tooth and love to “keep up with the Kardashians”.

Flavored with real berries, SugarBearHair is so deliciously sweet that you may have trouble limiting yourself to the recommended daily dose.

After putting this product to the test, we realized that many testers noticed it gave their curls more vitality, shine, strength, and volume after the first few months. They also mentioned that it stopped their hair loss, and helped their nails grow faster.

Ingredients:

5 - Vitafusion Gorgeous Hair, Nails, & Skin Multivitamin (Best Gummies & Antioxidants)

Rated 4.5/5
4.4
Ingredients
4.7
Effectiveness
4.5
Price
Vitafusion Gorgeous Hair, Nails, _ Skin Multivitamin Gummy Vitamins
  • Vit A
  • Vit C
  • Vit D

Pros and Cons

Pros

  • Clinically proven absorption for Vitamins D3 and C
  • Certified, award-winning taste
  • Without gluten, dairy, synthetic dyes, high-fructose corn syrup, artificial flavors

Cons

  • High in carbs and Iodine, so unsuitable for individuals on a low-carb diet like Keto, and may cause hypothyroidism

These yummy gummies combine 11 essential nutrients for your hair health. Our tests also indicate that it also contains antioxidants to help your body fight free radicals, supporting your overall health.

Vitafusion gummies vitamin for the hair provides twice more Biotin and four times more antioxidants per serving than other supplements.

Although it can make your locks and nails grow like a weed, more isn’t always better as too much Biotin may cause serious side effects.

Ingredients:

6 - OLLY Undeniable Beauty Gummy

Rated 4.4/5
4.3
Ingredients
4.6
Effectiveness
4.4
Price
OLLY Undeniable Beauty Gummy
  • Vitamin C
  • Vitamin E
  • Biotin

Pros and Cons

Pros

  • The scientifically-formulated active ingredient list
  • Reasonably priced
  • Tasty natural grapefruit flavor without artificial color or gluten

Cons

  • Not suitable for vegans or vegetarians, may smell bad

Packed with an expert blend of Keratin, Biotin, and antioxidants, these sweet hair gummies, as indicated by our tests, may be able to keep your locks from falling and help keep acne at bay so that you look and feel your best.

Ingredients:

7 - Hairfinity Advanced Haircare

Rated 4.4/5
4.3
Ingredients
4.6
Effectiveness
4.3
Price
Hairfinity Advanced Haircare
  • Vitamin A
  • Vitamin C
  • Vitamin D

Pros and Cons

Pros

  • Contains unique Capilsana Complex
  • Cost-effective
  • Suitable for male and female

Cons

  • Some users complained of headaches

Our tests showed that the Hairfinity hair vitamin contains substantial amounts of B Vitamins, including Folic Acid, and other bioactive minerals, amino acids, and other components vital for healthy hair growth.

Vitamin B12 helps transport oxygen to the scalp, making it healthier, while Pantothenic Acid strengthens your hair follicles.

By maintaining Collagen, Silica helps keep your locks elastic and lustrous, while Biotin enhances keratin production to protect against dryness, prevent breakage, and hair loss.

Ingredients:

8 - NeoCell Keratin Hair Volumizer

Rated 4.3/5
4.3
Ingredients
4.5
Effectiveness
4.1
Price
NeoCell Keratin Hair Volumizer
  • C Vitamin
  • B3 Vitamin
  • B6 Vitamin

Pros and Cons

Pros

  • Bioavailable ingredients
  • Affordable
  • Paleo-friendly, without gluten, soy, lactose, wheat, GMO, artificial flavors

Cons

  • Some users say continuous use is required until you notice the promised results, which may fade away when you stop taking the tablets

Another affordable vitamin hair brand formulated with a blend of clinically tested ingredients supporting a more healthy hair and skin beauty.

Moreover, we liked during our testing that it contains grass-fed hydrolyzed Collagen which provides building blocks necessary for the production of Collagen, Keratin, and other proteins in your nails, hair, and the whole body.

Ingredients:

9 - Nutrafol Women Hair Growth (Best for Women)

Rated 4.2/5
4.1
Ingredient Quality
4.3
Effectiveness
4.2
Price
Nutrafol Women Hair Growth
  • Vit. A
  • Vit. C
  • Vit. D

Pros and Cons

Pros

  • Formulated for women
  • Approved by dermatologists and other experts
  • Free of gluten, dairy, shellfish, binder, hormones, artificial additives or flavors

Cons

  • Pricier, plus its potent ingredients in high doses may badly affect oversensitive individuals

Clinically-proven natural ingredients in Nutrafol are effective not only in increasing hair production and nutrition but also improving overall wellness. It reduces inflammation and fights off free radicals that damage healthy hair follicles.

Nutrafol is formulated with a Tocotrienol Complex, Hyaluronic Acid, Ashwagandha, Curcumin, Marine Collagen, L-Cysteine, Selenium, essential Amino Acids, and other powerful components for stronger strands and their speedy growth.

We found during testing that it helps enhance nutrient absorption, better sleep, mood, energy, and radiant skin.

Ingredients:

10 - Viviscal Extra Strength Dietary Supplement

Rated 4.1/5
4.1
Ingredient Quality
4.1
Effectiveness
4.0
Price
Viviscal Extra Strength Dietary Supplement
  • AminoMar Marine Complex
  • Biotin
  • Zinc

Pros and Cons

Pros

  • Scientifically formulated combination of ingredients
  • Clinically proven to nourish thinning hair and enhance its growth
  • Suitable for all hair types

Cons

  • Some users complained of the strong fishy taste and smell, and not so strong effects as advertised

Celebrities like Jennifer Aniston, Gwyneth Paltrow, Reese Witherspoon, and their hairstylists love and recommend Viviscal.

According to our tests, this supplement contains a natural combo of crucial nutrients that nourish your scalp and hair follicle from the inside to strengthen your hair and boost its growth.

This powerful blend includes ingredients like Zinc, Vitamin C, Biotin, Iron, Horsetail Extract, and deep-sea fish proteins that are claimed to prevent split ends, ensure thicker strands, and longer eyelashes.

Ingredients:

How We Tested Best Vitamins For Hair Growth

In evaluating the best vitamins for hair growth, we applied a rigorous testing approach. As a certified personal trainer with a background in nutrition, I understand the importance of evidence-based supplementation. Here's how we tested.

Ingredients

We analyzed the vitamins for the presence of key hair growth nutrients like biotin, keratin, zinc, iron, and vitamins A, C, E, and D.

Effectiveness

We monitored users' progress over three to six months to observe any noticeable improvements in hair strength, thickness, and growth.

Price

We assessed the cost-effectiveness, considering the price per serving and the duration needed to see results.

Absorption

The bioavailability of the vitamins was tested, as the body's ability to absorb these nutrients is crucial for their effectiveness.

User Reviews

We examined feedback from a diverse range of users to ensure consistent results across different hair types and lifestyles.

Certifications

We checked for third-party certifications like NSF or USP to verify the purity and potency of the vitamins.

Buyer's Guide

Ingredient Quality

Look for vitamins that contain high-quality, clinically tested ingredients. Biotin, vitamin E, and iron are often associated with supporting hair health.

Brand Reputation

Choose vitamins from reputable brands that have a transparent ingredient list and are known for their stringent quality control.

Formulation Balance

The best vitamins for hair growth should have a balanced formulation that doesn't exceed the Recommended Dietary Allowance (RDA) for the vitamins and minerals included, as over-supplementation can be harmful.

Absorption Rate

Vitamins in forms that are easily absorbed by the body, such as liquid or capsule form, can be more effective. This is crucial for clients who have digestive issues that may interfere with nutrient absorption.

Allergen-Free Options

If you have allergies or sensitivities, look for products that are free from common allergens like soy, gluten, and dairy.

Do Vitamins really Help Hair Growth?

Yes, vitamins help hair growth. But scientists say that taking oral supplements to improve your locks can only increase the growth of your hair if you're seriously deficient in key nutrients.

Otherwise, according to the study found on the National Center for Biotechnology Information website, these hair growth supplements may not be so effective because your body won't absorb more of a particular nutrient than needed [2].

If you think you're deficient, you may want to supplement with a high-quality vegan multivitamin.

What Deficiencies Cause Hair Loss?

According to a study found on the National Center for Biotechnology Information website, deficiencies that cause hair loss include deficiencies in collagen, vitamins C, D, E, and B-complex (specifically Riboflavin/B2, Niacin/B3, Biotin/B7, Folate/B9) [3]. Hair loss can also be caused by a lack of minerals like iron, zinc, selenium, fatty acids, protein, and other essential nutrients [4].

Besides, hormonal changes, stress, age, poor nutrition, over styling, and numerous other factors can cause hair breakage and excess shedding.

To avoid these deficiencies, consider taking a multivitamin. We have a list of recommended multivitamins for men and multivitamins for women on our website.

How Long Do Hair Vitamins Take to Work?

Hair vitamins may take a few weeks to several months to work if you take them consistently and have no hormonal or other medical issues causing hair loss. So, it’s unrealistic to expect to see the results overnight.

“Biotin is a water-soluble vitamin that supports the growth of hair, skin, and nails by helping to break down fats and carbohydrates.” Dr. Dendy Engelman, Dermatologic Surgeon

FAQs

Which Vitamin Is Best for Hair Growth and Thickness?

The vitamin that is best for hair growth and thickness is biotin. Biotin aids in producing red blood cells, which transport oxygen and nutrients to the scalp and hair follicles.

What Foods Are Biotin Rich?

The foods that are rich in biotin include organ meats, seeds, eggs, nuts, fish, and certain vegetables (such as sweet potatoes).

What Makes Hair Grow Fast and Strong?

What makes your hair grow fast and strong is eating more protein, using caffeine-containing products, avoiding permanent dyeing, and lowering stress.

How Do Combinations of Vitamins and Minerals Work Together to Enhance Hair Growth?

Combinations of vitamins and minerals can have a synergistic effect, meaning they work together to enhance each other's effectiveness. For instance, Vitamin C not only supports the immune system but also improves iron absorption, which is crucial for promoting hair growth and preventing hair loss.

What Role Do Amino Acids Play in Promoting Hair Growth?

Amino acids, particularly L-lysine and L-methionine, are the building blocks of keratin, the primary protein constituting hair. They support the structural integrity of hair and can improve its strength, elasticity, and overall growth when included in your diet or supplementation regime.

Can Herbal Supplements Contribute to Hair Growth, and Which Ones Are Most Effective?

Yes, certain herbal supplements can contribute to hair growth; for example, ginseng stimulates the scalp and improves hair follicle health, while horsetail extract is rich in silica and is known to strengthen hair and enhance growth.

Our Verdict on Best Vitamins For Hair Growth

Budget-friendly, easy to use, packed with effective yet safe doses of hair growth vitamins and other essential nutrients, and targets multiple root causes of thinning hair and loss.

Based on my personal experience and numerous tests, these are the qualities needed by the best hair supplements.

Nuzena Hair Growth Support + meets all these criteria, so it’s my personal favorite. Try it out, compare it with the products you’ve used so far, and tell me the difference you can notice.

Our #1 Recommendation

Nuzena Hair Growth Support + (Best Overall & 100% Pure)

Nuzena Hair Growth Support +

Rated With Total Shape's Scoring System

5.0
Ingredients
5.0
Effectiveness
4.7
Price
Pros
  • 100% pure and natural scientifically researched ingredients
  • Suitable for men and women of all ages
  • Formula tested for quality, safety, and efficacy by a trusted third party lab
  • Veggie, non-GMO, gluten-free, and sugar-free capsules
  • Get the BEST PRICE until the end of May
Cons
  • Not intended to treat diagnosed medical conditions like androgenic alopecia
Was this article helpful?
YesNo

About The Author

Lisa Lorraine Taylor, BSc, CPT
Staff Writer
Lisa Lorraine Taylor, BSc, CPT holds a BSc degree in Holistic Nutrition from Clayton College of Natural Health and is the owner of Taylor Made Fitness. Her philosophy centers on cutting through the hype and misinformation surrounding dietary supplements, focusing instead on practical, science-backed strategies for health and weight loss.
Learn more about our editorial policy
Dr. Harshi Dhingra, MBBS, MD is a published peer-reviewed author and renowned physician from India with over a decade of experience. With her MBBS from Bharati Vidyapeeth and an MD from Rajiv Gandhi University, she actively ensures the accuracy of online dietary supplement and medical information by reviewing and fact-checking health publications.
Learn more about our editorial policy
Dr. Kristy June Dayanan, BS, MD is an author with a BS degree from University of the Philippines and an MD from University of Perpetual Help System. Her ability to simplify medical science complexities and dietary supplement jargon for the average reader makes her a valued medical fact checker and reviewer.
Learn more about our editorial policy

You May Also Like

Write a Reply or Comment

Your email address will not be published. Required fields are marked *

Our ingredients score is based on 3 factors including: transparency, blend disclosure, and dosage accuracy. We conduct third-party lab verification of ingredients. The score is an objective measure of the lab test results compared to the product label. For more information see our ingredients score explanation here.
Our price score is based 3 factors including: cost justification, market comparison, and overall value. The score is a subjective measurement of the product's value against its price when compared to similar products. For more information see our price score explanation here.
Our ingredient quality score is based on 3 factors including: purity, source, and stability of shelf life. Third-party liquid chromatography lab tests are performed to determine purity. The score is an objective measure of the lab results and factors measured against set standards. For more information see our ingredient quality score explanation here.
Our scoring system is the result of objective testing data and subjective expert analysis by a team of fitness coaches and medical experts. Our scoring factors are weighted based on importance. For more information, see our product review guidelines.