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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
- Best Overall Vitamins for Hair Growth: Nuzena Hair Growth Support +
- Cheapest Hair Growth Vitamins: Nature's Bounty Biotin Supplement
- Best Vegan Hair Growth Vitamins: Ora Be You Tiful Hair, Skin & Nails Vitamins
- Best Hair Growth Vitamins With Antioxidants: Vitafusion Gorgeous Hair, Nails, & Skin
- Best Vitamins for Hair Growth With Probiotics: Ora Be You Tiful Hair, Skin & Nails
- Best Tasting Hair Growth Vitamins: SugarBearHair Vitamins
- Best Hair Growth Vitamin Gummies: Vitafusion Gorgeous Hair, Nails, & Skin
- Best Hair Growth Vitamins for Women: Nutrafol Women Hair Growth
- Best 100% Pure Vitamins for Hair Growth: Nuzena Hair Growth Support +
- Best Vitamins for Brittle Hair and Nails: Nature's Bounty Biotin Supplement
Our Top Product Recommendations (December 2023)
1 - Nuzena Hair Growth Support + (Best Overall & 100% Pure)
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:
- Vitamin B-Complex
- L-Tyrosine
- Zinc
- 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
- Not intended to treat diagnosed medical conditions like androgenic alopecia
2 - Ora Be You Tiful Hair, Skin & Nails Vitamins (Best Vegan & With Probiotics)
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:
- Niacin
- Biotin
- Ora Beauty Blend
- Plant-based ingredients from organic sources
- Men and women of all ages and skin types can use it
- No soy, gluten, dairy, or GMO
- Contains a proprietary blend, and capsules have a strong seaweed flavor not everyone can stand
3 - Nature's Bounty Biotin Supplement (Cheapest & Best for Brittle Hair and Nails)
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:
- Biotin
- Soybean oil
- Gelatin
- Many users have confirmed faster and stronger grown locks and nails
- Easy to swallow pills
- Sodium-free, without artificial flavor, sweeteners, gluten, lactose, yeast
- May trigger growing of extra facial hair and initial acne breakout
4 - SugarBearHair Vitamins (Best Tasting)
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:
- Vit A
- Vit C
- Vit D
- 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
- Might be overpriced, contains sugar but no Collagen, and may cause cystic acne
5 - Vitafusion Gorgeous Hair, Nails, & Skin Multivitamin (Best Gummies & Antioxidants)
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:
- Vit A
- Vit C
- Vit D
- Clinically proven absorption for Vitamins D3 and C
- Certified, award-winning taste
- Without gluten, dairy, synthetic dyes, high-fructose corn syrup, artificial flavors
- High in carbs and Iodine, so unsuitable for individuals on a low-carb diet like Keto, and may cause hypothyroidism
6 - OLLY Undeniable Beauty Gummy
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:
- Vitamin C
- Vitamin E
- Biotin
- The scientifically-formulated active ingredient list
- Reasonably priced
- Tasty natural grapefruit flavor without artificial color or gluten
- Not suitable for vegans or vegetarians, may smell bad
7 - Hairfinity Advanced Haircare
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:
- Vitamin A
- Vitamin C
- Vitamin D
- Contains unique Capilsana Complex
- Cost-effective
- Suitable for male and female
- Some users complained of headaches
8 - NeoCell Keratin Hair Volumizer
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:
- C Vitamin
- B3 Vitamin
- B6 Vitamin
- Bioavailable ingredients
- Affordable
- Paleo-friendly, without gluten, soy, lactose, wheat, GMO, artificial flavors
- Some users say continuous use is required until you notice the promised results, which may fade away when you stop taking the tablets
9 - Nutrafol Women Hair Growth (Best for Women)
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:
- Vit. A
- Vit. C
- Vit. D
- Formulated for women
- Approved by dermatologists and other experts
- Free of gluten, dairy, shellfish, binder, hormones, artificial additives or flavors
- Pricier, plus its potent ingredients in high doses may badly affect oversensitive individuals
10 - Viviscal Extra Strength Dietary Supplement
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:
- AminoMar Marine Complex
- Biotin
- Zinc
- Scientifically formulated combination of ingredients
- Clinically proven to nourish thinning hair and enhance its growth
- Suitable for all hair types
- Some users complained of the strong fishy taste and smell, and not so strong effects as advertised
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)
- 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 December
- Not intended to treat diagnosed medical conditions like androgenic alopecia
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