Best Vitamins & Supplements for Hair Growth

Table Of Content

• Best for Thinning
• Hair Growth Vitamins That Dermatologists Say Actually Work
• Get the latest in health news delivered to your inbox!
• Nuts for vitamin E, vitamin B, zinc, and healthy fats
• How Much of a Hair Growth Supplement Should I Take?
• Best collagen supplement for hair growth
• Nutrafol Hair Wellness From Within

Hair loss or thinning hair can be caused by a variety of culprits—including nutrition deficiencies. So while vitamins and supplements are not a miracle cure by any means, the right ones just might make a difference in the way your hair looks and feels. I don’t wear my natural hair often because I’m still working through embracing my curls.

Best for Thinning

Iron helps red blood cells carry oxygen throughout the body to fuel your metabolism and aid growth and repair (8). Spinach is a healthy green vegetable loaded with beneficial nutrients like folate, iron, and vitamins A and C, which are important for hair growth (7). Eating enough protein supports hair growth because hair follicles are mostly made of protein.

Hair Growth Vitamins That Dermatologists Say Actually Work

However, there are many experts that believe this daily recommendation is too low for optimal blood levels of vitamin D, which experts agree is somewhere between 30 and 60 nanograms per milliliter. There is also research to suggest that while alopecia areata can occur with healthy levels of vitamin D, its symptoms can be much worse for people with a vitamin D deficiency. If you're currently experiencing hair loss, it may be the result of a vitamin deficiency. If that’s the case, reversing it can be an easy fix without the need for complex surgeries or prescription hair loss medications.

Get the latest in health news delivered to your inbox!

Unlike some companies that make a wide variety of health and beauty products, Toji is focused solely on helping people grow healthy hair. An impressive blend of biotin, resveratrol, and cynatine HNS keratin—an ingredient that helps improve damaged hair and skin—this hair growth supplement helps nourish strands to prevent breakage. It's an especially good option for anyone who regularly styles, dyes, or bleaches their hair, since the ingredients inside each capsule can help counteract the stress on hair from frequent styling. This daily multivitamin contains 21 active ingredients to promote thicker, healthier, and stronger hair.

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Nuts for vitamin E, vitamin B, zinc, and healthy fats

Bell peppers come in various colors, including red, yellow, green, and orange. Omega-3s are thought to have anti-inflammatory properties and protect hair follicles from damage. One study found women who took a supplement containing omega-3s had a reduction in hair loss and increased hair density.

Correcting a deficiency in any of these nutrients may help treat hair loss and promote the rate of hair growth. A lack of zinc in the diet may promote telogen effluvium, a common but reversible form of hair loss caused by a lack of nutrients. Taking a zinc supplement may reverse the effects of hair loss caused by zinc deficiency (28).

Best collagen supplement for hair growth

Each capsule contains ingredients like biotin and pea shoot extract, both of which support natural keratin production, strengthen strands, and prevent breakage in as little as 60 days, according to the brand. Aside from sitting pretty on your bathroom vanity, these hair supplements offer an effective solution for thinning hair. In a clinical study, these biotin and multivitamin-packed capsules were shown to improve overall scalp health while helping hair look fuller and thicker. Three capsules a day of this supplement will jumpstart your journey to thicker, fuller hair.

Best Multivitamin Support

Other causes include male and female pattern baldness, alopecia areata, stress, and certain medical treatments. There have been few studies into the effects of vitamins D, B, and E on hair, and even fewer have looked into the hair growth benefits of other essential vitamins. Some sources have suggested that vitamin B12 may play a role in hair health. However, several studies mentioned in a 2019 review found no evidence of a link between changes in B12 levels and hair loss or retention. Bell peppers are chock full of vitamins C and A and biotin, essential for keeping hair healthy.

Nutrafol Hair Wellness From Within

The body uses the amino acids it's packing to build hair proteins and strengthen strands at the root while protecting the follicle from damage. While biotin deficiency has been linked to hair loss, research on the effectiveness of biotin supplements for hair growth is inconclusive,” says Chun. Some people have success with biotin supplements for hair health, but note it may not be the most important nutrient for everyone for hair growth. There are many other underlying reasons for hair loss or lack of hair growth including not eating enough protein as well as common health issues like thyroid disease and overall hormonal imbalances, explains Puello. If you have an underlying nutrient deficiency or aren’t getting enough of a nutrient in your diet, taking a supplement to correct that deficiency can likely support hair growth. But if you’re not deficient in the nutrients a hair growth supplement provides, you’re unlikely to see many benefits, explains Chun.

Research indicates that rosemary oil may be as effective in reducing hair loss and promoting hair growth as 2% minoxidil (such as Rogaine). You can apply rosemary oil for hair growth by massaging it directly onto your scalp or by adding it to your shampoo. She notes that while vitamin A deficiency can contribute to hair loss, it’s not common in the U.S, adding that unless you have proof of a vitamin A deficiency, there’s no reason to supplement. Research shows you can easily reach the daily allowances of B vitamins by eating a balanced diet. B vitamins can be found in a variety of foods, including 100% whole grains, meat, fish, whole eggs, nuts and avocados. There’s a lot of misinformation on the internet, hair oiling can help "protect your hair from damage, improve the look of split ends, and prevent breakage," she says.

But biotin has been shown to help with preventing balding and hair loss. Anything that disrupts your gastrointestinal (GI) tract can also affect hair growth, she adds. One of the easiest ways to increase your vitamin D levels is by spending more time in the sun.

While studies such as these may be a starting point for further research, there is not enough evidence to show collagen supplementation promotes hair growth in humans. However, there’s currently insufficient evidence to confirm the benefits of supplementing with these nutrients specifically for hair growth. Some additives and preservatives, like soybean oil, glycerin, and soy lecithin serve a vital role in extending a vitamin’s shelf life, but it’s essential to differentiate them from fillers.

Minoxidil is the active ingredient found in both topical products (like Rogaine and Hers) that you massage on your scalp daily, and in oral medications that are prescribed by a doctor. “We don’t know the exact mechanism for how minoxidil works, but we think a lot of it has to do with increasing blood flow to the scalp,” says Dr. Bhanusali. Unfortunately, there isn’t a definitive answer on whether biotin (AKA vitamin B7) really helps hair growth, and every dermatologist we spoke with was on the skeptical side. Cutting the hair regularly can also keep it looking healthy by removing split ends and lightening the weight of the hair.

But on the days I want my texture to shine, I reach for this hair oil before and after my wash. There are a few different ways to oil your hair, depending on your hair type and goals. Dr. Spann suggests heating the oil for a few seconds for maximum penetration. “The oil should be delicately applied to dry hair and scalp using gentle, circular motions,” she says. You can also use a silicone scalp massager to really get in there if you're averse to digging your fingers into your scalp (and it helps me prevent from scratching with my long, gel-X nails). Then, gently massage into the scalp for 10 to 15 minutes in circular motions before smoothing through the lengths of your hair.

However, if you already get enough iron, note extra iron won’t help your hair grow. You may be able to promote hair growth by eating a diet rich in nutrients such as zinc and iron. Oftentimes, trying to make your hair grow faster feels like a Sisyphean task, regardless of how many hair growth vitamins and hair growth serums you incorporate into your daily routine. When your hair is damaged and brittle, you might find that it breaks off long before it can reach its full potential—and you’re not alone. While I’ve had virgin hair all my life, I’ve seen friends who bleach and double-process their strands struggle with this problem firsthand.

A 2013 study found that people with alopecia areata had significantly lower concentrations of vitamin E in their blood than those without the condition. However, not all the studies confirm these findings, according to a 2019 review. Researchers have looked into the link between B complex vitamins and hair loss, but they have not yet confirmed a link. More research is also necessary to confirm the potential benefits of vitamin D for hair growth.