The 14 Best Hair Vitamins

If you've ever dealt with dry, brittle, or broken hair, then you know how frustrating it can be to sift through every deep conditioner and cream on the market, hoping to find one that will finally help. But what if the problem isn't actually on the surface of your hair?

According to Lisa Moskovitz, RD, CDN, and CEO of New York Nutrition Group, hair loss, and breakage can be caused by a lack of vitamins and minerals. She elaborates: "Key nutrients to highlight for hair health include iron, zinc, selenium, protein (amino acids), anti-inflammatory fats like olive oil and avocado, and antioxidants." Your hair may suffer if you're not getting enough of these nutrients in your diet. That's where supplements come in — to fill in the gaps and restore hair health.

We set out to find the best hair vitamins available. In our research, we reviewed customer feedback as well as looked at key factors like ingredient quality and, of course, effectiveness. For those looking for an organic option, our top pick is Garden of Life's Vegan Collagen Builder, which has earned several certifications and improves skin and nail health and hair quality.

It's important to note that you should see a nutritionist or doctor before taking any supplements. They can help you pinpoint your deficiencies and select the proper vitamin.

Garden of Life Vegan Collagen Builder

Garden of Life's Vegan Collagen Builder packs a punch. These organic supplements use natural ingredients to increase collagen production in your body, which can improve hair health. But the standout ingredient is biotin — specifically, the 2,500 micrograms of it in each tablet. Also known as vitamin B7, this ingredient is the go-to for achieving longer, thicker, stronger hair.

These tablets are certified vegan, Carbonfree, and USDA organic, as well as verified by the Non-GMO Project. And for an added bonus, the collagen and biotin gained from them can also improve skin and nail health.

Best For Hair Loss

Propidren by HairGenics Capsules

This supplement is scientifically formulated to block dihydrotestosterone, a hormone responsible for hair thinning and loss. With over 10,000 reviews and a 4.4 rating on Amazon, the numbers speak for themselves. "This is the best supplement available today," one buyer wrote. "I never thought I could actually regrow my hair."

Best Antioxidant Option

The Mane Choice Manetabolism Plus Healthy Hair Vitamin

If you prefer a gummy over a tablet, opt for these collagen vitamins. Beyond building healthier, thicker hair, there's an added benefit: The formula also contains antioxidants for a supported immune system. And honestly, we could all use an immune system boost right now.

Best For a Sensitive Stomach

Tula Beauty Gummy Vitamins

This biotin and folic acid vitamin contains probiotics to promote a healthy gut, so you can kill two birds with one stone. "They taste great, [with] no after taste as well. My nails are stronger than ever and I notice my hair isn't coming out in chunks like it was," one Ulta reviewer wrote.

Best for Thinning Hair

Ouai Hair Supplement for Thinning Hair

These hair vitamins from Ouai have over 9,400 likes at Sephora, and it's easy to see why. The supplements contain biotin, ashwagandha, and amino acids, which work together to help improve thinning hair. "My hair stopped growing/thinned out and this supplement has been life-changing! My hair is back to growing and is thickening up," raved one customer.

Best for Longer Hair

Nutrafol Women Hair Growth Supplement

Here's a formula that works to minimize shedding caused by stress and tension. These collagen-infused supplements from Nutrafol promote hair growth and repair hair in just three to six months — and many users say it has helped their skin, nails, and immune systems, too. One shopper wrote, "I've been taking these for over a year and I love them. They do everything they claim to — my hair is longer than ever, and I sleep better. My primary care physician even says I don't need any other vitamins in addition to these. I highly recommend these!"

Best for Stronger Hair

Moon Juice SuperHair Daily Hair Nutrition

Looking to grow thicker, stronger hair? Consider these supplements from Moon Juice. On top of ingredients like biotin, kelp, and plant extracts to help hair grow stronger and more lustrous, this product is infused with adaptogens to help relieve stress. "I've tried hair/nail supplements in the past but to no avail. This product is nothing short of incredible! My hair feels thicker and softer since I've been taking SuperHair. Another bonus is that it replaces my multi-vitamin and I am feeling more energy," raved one happy customer.

Best Powder Option

Vital Proteins Original Collagen Peptides

Just one serving of the tasteless powder provides 20 grams of collagen, helping not only the health of your hair but also that of your skin, nails, joints, and bones. Over 2,500 Amazon customers have given the collagen powder their seal of approval. One even wrote, "Best collagen ever. And I have tried tons of them. In a few months, my skin is bright and smooth and my hair has grown about three inches in less than two months. Amazing results." Oh, and Jennifer Aniston is a fan, too.

Best Vegan Option

Hum Nutrition Hair Growth Gummies

If you've been searching for a hair vitamin that suits your vegan lifestyle, look no further. These Hum Nutrition Hair Gummies are rich in ingredients like biotin, zinc, and folic acid that work together to help hair grow longer and stronger. More than 20,000 Sephora customers are fans of the vegan gummies, with one writing, "I have really coarse thick hair, prone to breakage and I've noticed my hair is so much softer, shinier, and easier to work with. My hairdresser even asked if I was doing anything different as my hair has drastically changed."

Best for Shiny Hair

Hairfinity Healthy Hair Vitamins

This supplement has thousands of five-star reviews, and even Kim Kardashian is a fan of the collagen and biotin-rich tablets, which are known to strengthen nails, too. The capsules are formulated to work on all hair types and textures and feature a mix of bioactive vitamins and nutrients that work together to leave you with silky smooth strands. "My hair is growing like never before [and is more] shiny and manageable, thank you Hairfinity," raved one shopper.

Best-Tasting Option

SugarBearHair Vegan Hair Vitamins

You've probably seen these SugarBearHair vitamins all over your Instagram. The gummies include a host of vitamins and minerals — like vitamin A and zinc — that nourish strands and they're cruelty-free, gluten-free, soy-free, and vegetarian. "Love, love, LOVE these vitamins," reads one of the thousands of positive reviews on Amazon. "There has been a significant change in my hair growth since I started taking these tasty little delights. Not only are they yummy, but they actually work! I've tried a few different hair vitamins and some have worked, but not nearly as effective as these little guys."

Best for Hair Breakage

Phyto Phytophanere Dietary Supplement for Hair and Nails

Kill three birds with one stone thanks to this French nutritional supplement from Phyto, which claims to promote fuller hair, stronger nails, and radiant skin. In a clinical study, 90% of users said they noticed their hair was stronger after using the product for three months — and some users even reported substantial eyelash growth while taking the biotin-filled formula.

Best for Scalp Health

Keranique Keraviatin Hair and Scalp Health Supplements

If you find yourself with a damaged scalp in addition to broken and brittle strands, this option from Keranique might be your best bet. The popular supplements are formulated with a mix of vitamins, minerals, micro-nutrients, and phyto-nutrients that work together to strengthen both your hair and your scalp. Ulta customers are such big fans of the supplements they have given them a 4.7-star rating. One happy shopper wrote, "My hair was falling out by the handfuls! I was stressed and was so afraid I was truly going to be bald. I have been taking this vitamin now for a year and my hair is beautiful! My hairdresser started taking this vitamin because of the results she saw in my hair!"

Best for New Growth

Viviscal Hair Growth Supplements for Women

Viviscal is designed to extend the growth phase of each hair's cycle. The creators added a patented marine complex in the supplements, which works to both nourish hair and promote new growth, and 80 percent of Ulta users love it so much they say they would recommend the product to their friends. "I started noticing some thinning around my hairline and more shedding than usual. After taking one pill daily, my hair has filled in and I am experiencing less hair loss. My stylist is [once] again commenting on the thickness of my hair," said one shopper.

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