Our Experts Written by Caroline Igo Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Reviews ethics statement How we test What to consider Ingredients Every hair vitamin will have nutrients, but they may also contain ingredients you'd rather avoid. Dosage Always take note of the dosage of each nutrient included in your vitamin selection. Serving size Some vitamins have serving sizes of three or more capsules daily. Others only require one tablet each day. Form The most popular forms of vitamins are capsules, tablets and gummies. Decide which one is best for you. Third-party certifications Extra certifications help you feel confident that the vitamin only contains whats on the ingredient label. Health concerns Always consider your medical conditions and current medication when choosing a hair vitamin. Why You Can Trust CNET 41424344454647484950 Vitamins evaluated 1234 Researchers41424344454647484950 Hours researched How we test Our team has spent years expertly selecting vitamins by studying the market, reading hundreds of customer reviews and understanding which essential vitamins our bodies need. Table of Contents If you're dealing with hair trouble, from thinning to damage from bleach and styling, your goal may be to prioritize hair growth for longer, healthier locks. Fortunately, there are supplements out there that can help you accomplish this. To find the best vitamins for hair growth, we looked at quality, vitamin and mineral quantities, dietary restrictions, third-party verifications, customer reviews, price and more to narrow down the list. However, you should never make drastic changes to your diet or health routine without consulting your doctor. If you're concerned about hair loss, make sure you go to them for diagnosis and personalized advice. Our Picks Best overall vitamin for hair growth Nature Made Biotin View details $12 at Walmart View details Best gummy vitamin for hair growth Olly Undeniable Beauty View details $13 at Amazon View details Best vegan vitamin for hair growth Hum Red Carpet View details $26 at Amazon View details Best budget vitamin for hair growth Nature's Bounty Hair, Skin and Nails View details $11 at Walmart View details Best vitamin for men's hair growth Nutrafol Men View details $79 at Nutrafol View details Best vitamin for women's hair growth Nutrafol Women View details $88 at Amazon View details Table of Contents What are the best vitamins for hair growth?The many vitamins and minerals that can help maintain healthy hair and hair growth are already in your diet. Studies have found that the following vitamins have contributed to promoting hair growth. These include but aren't limited to:Vitamin AVitamin B7Vitamin CVitamin DVitamin EZincBest hair growth vitamins of 2025 Photo Gallery 1/1 Pros Inexpensive compared to other hair supplements Verified by the United States Pharmacopeia A bottle will last you 120 days Cons Only contains biotin, while other supplements incorporate multiple vitamins Not vegan (contains beeswax) Biotin, also known as vitamin B7, is a water-soluble vitamin that supports healthy hair, skin and nail growth. It is especially useful in breaking down foods such as proteins and carbohydrates, boosting energy. Nature Made's Biotin supplement contains 1,000 mcg of biotin.The softgels are gluten-free and contain no artificial dyes or colors. Each bottle has 120 softgels, which is a 120-day supply. Take one daily to maintain healthy skin and hair. There is a note on the side of the bottle saying that biotin can interfere with some lab tests. Always consult a physician before undergoing lab work on this supplement. Olly Undeniable Beauty flavored gummies contain vitamin C, vitamin E, biotin and keratin. Vitamin C plays a key role in the production of collagen, and vitamin E aids in protecting and healing skin. Keratin, a protein that already exists in our hair, skin and nails, is important in maintaining healthy hair.Each serving of Olly gummies accounts for 17% of your daily value of vitamin C, 50% of your daily value of vitamin E and 8,333% of your daily value of biotin. It should be noted that there is not a recommended amount of daily intake of keratin. If you don't like the flavor of grapefruit, try out this