Hair vitamins deliver the essential nutrients — biotin, collagen, zinc, B vitamins, and more — that support hair growth, reduce shedding, and improve overall hair health. Whether dealing with thinning, breakage, or slow growth, the right vitamin formula can make a noticeable difference over time. Here are the top hair vitamins worth trying.
Quick Comparison
Product
Key Ingredient
Form
Best For
Rating
Lunakai PRO Hair Growth & Restore Vitamins
15+ Nutrient Complex
Capsules
Best Overall
9.5/10
Lunakai Super Hair Gummies
Biotin, Saw Palmetto, Zinc
Gummies
Best Gummies
9.4/10
Pink Stork Total Glow Gummies
Biotin, Vitamin A, B6, B12
Gummies
Best for Hair, Skin & Nails
9.2/10
Pink Stork Postpartum Hair Loss Gummies
Biotin, Pantothenic Acid
Gummies
Best for Postpartum
9.1/10
Natures Craft Biotin 10000 mcg
Biotin 10,000 mcg
Capsules
Best Value
9.0/10
ZEBORA Hair Growth Vitamins
Biotin, Keratin, Collagen
Gummies
Best Multi-Action
8.9/10
Advanced Multi Collagen Peptides Pills
Multi Collagen + Biotin
Capsules
Best Collagen Formula
8.8/10
1. Lunakai PRO Hair Growth & Restore Vitamins – Best Overall
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Lunakai PRO USA Made Women’s Hair Growth & Restore Vitamins – Advanced 15+ Nutrient Complex for Visible Results – Natural Thicker Hair Growth Supplement, 90ct
Supports Thicker, Fuller Hair Naturally – Formulated to support visibly thicker and fuller-looking hair with a blend of Saw Palmetto, Biotin, Collagen, and Keratin. A smart addition to your daily hair growth products routine.
Hair Breakage & Shedding Support – Packed with ingredients like zinc, horsetail, and L-Cysteine, nutrients that play a role in reducing breakage and supporting healthy strands. Ideal for those seeking hair growth products for women.
Stimulates Growth at the Root Level – Includes hair growth vitamins such as Vitamin D3, Biotin, and Saw Palmetto to nourish follicles and support hair growth for women. A trusted choice among hair growth supplements.
Strengthens Hair, Skin & Nails – This all-in-one hair supplement supports more than just hair. Hydrolyzed collagen, L-Methionine, and Hyaluronic Acid help maintain strong nails and vibrant skin as part of your daily routine.
Adaptogens for Stress Support Includes – Ashwagandha and other adaptogenic herbs traditionally used to support a healthy stress response. A balanced system can help support overall hair wellness from within.
Lunakai PRO combines 15+ hair-supporting nutrients in a comprehensive capsule formula designed to address thinning, slow growth, and breakage simultaneously.
This advanced formula goes well beyond basic biotin by including saw palmetto, horsetail extract, folic acid, zinc, and a full spectrum of B vitamins that work together to nourish hair follicles and support the growth cycle. Each bottle delivers a 30-day supply, and the capsules are manufactured in a USA-based GMP-certified facility. The multi-nutrient approach makes this an ideal option for anyone who wants maximum hair support in a single daily supplement.
Pros:
15+ ingredient complex covering multiple causes of hair issues
Includes DHT-blocking saw palmetto
USA manufactured in a GMP-certified facility
Cons:
Capsule form — not ideal for people who prefer gummies
Higher price than basic biotin-only supplements
Best for: Anyone wanting the most comprehensive hair vitamin formula available in a single supplement.
2. Lunakai Super Hair Gummies – Best Gummies
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Lunakai USA Made Super Hair Gummies with Biotin, Zinc, Horsetail Extract & Saw Palmetto – Hair Growth Vitamins for Women & Men – Supports Thicker, Longer, Stronger Tresses, Skin & Nails, 60ct
Hair Growth Support – These hair growth vitamins are designed to help support thicker, longer-looking hair by providing nutrients your body needs to thrive.
Gummy Convenience – Our hair gummies for women and men are a delicious, chewable alternative to pills—easy to take daily, no water or swallowing required.
Biotin + Vitamin E – Featuring biotin for hair growth support and vitamin E for hair, this blend helps nourish from within for hair, skin, and nails support.
Vegan & Gelatin-Free – These vegan hair growth gummies are made without gelatin or animal products—perfect for plant-based lifestyles and dietary sensitivities.
No Artificial Flavors – Enjoy natural-tasting hair vitamins gummies with no artificial flavors, colors, or sweeteners—just clean ingredients you can trust.
A well-rounded gummy formula that packs biotin, zinc, horsetail extract, and saw palmetto into a delicious chewable format for daily hair support.
These gummies deliver a carefully balanced blend of nutrients that target hair growth, follicle strength, and hormonal hair thinning. Saw palmetto helps block DHT, zinc supports keratin production, and horsetail extract provides natural silica — a mineral linked to hair elasticity and shine. The gummies are USA-made, free from artificial colors, and provide a full 30-day supply per bottle.
Pros:
Advanced ingredient blend with saw palmetto and horsetail extract
Great taste and easy to incorporate into daily routine
No artificial colors
Cons:
Contains added sugar typical of gummy supplements
Biotin dose lower than dedicated high-potency capsules
Best for: People who prefer a gummy vitamin that goes beyond basic biotin with advanced hair-supporting ingredients.
3. Pink Stork Total Glow Gummies – Best for Hair, Skin & Nails
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Pink Stork Total Glow Gummies for Women – Hair, Skin & Nails Vitamin with Biotin, Vitamin A, B6, B12, Folate, Zinc & More – Support for Radiant Skin, Strong Nails, and Healthy Hair – 60 Berry Gummies
1. Total Beauty Support from Within Support your beauty routine with biotin gummies for women that go beyond surface care. With 11 nutrients including Vitamin A, C, D, E, Zinc, and B-complex vitamins, Total Glow Gummies help maintain already healthy skin, hair, and nail wellness. These hair skin and nails vitamins are crafted to align with your body’s natural balance—perfect for daily beauty and cellular wellness support.
2. Biotin + B-Complex for Hair Wellness Formulated with Biotin (Vitamin B7), B6, B12, Folate, and Pantothenic Acid, these vegan biotin gummies support the body’s natural keratin pathways and promote scalp nourishment to maintain already strong, healthy-looking hair. Vitamin E and Vitamin C add antioxidant support to protect cells against free radicals, making this a powerful beauty supplement for women.
3. Radiant Skin + Nail Support These skin and nail vitamins for women are designed to support cellular health and wellness with ingredients like Vitamin A, Zinc, and Folate. The blend helps your body maintain already balanced skin tone, clarity, and nail strength. With daily use, Total Glow Gummies help reinforce your body’s natural glow—no filters needed.
4. Clean Ingredients, Trusted Formulation Pink Stork Total Glow Gummies are non-GMO, gluten-free, soy-free, dairy-free, and third-party tested for quality. Designed by women and formulated with care, these hair skin and nails gummies support holistic health without compromise. Enjoy peace of mind with a clean, effective supplement made just for women’s wellness needs.
5. Women-Owned & Mission-Driven Led by our founder—a mom of six—and powered by an 80% female team, Pink Stork is on a mission to bring hope and wellness to women everywhere. Whether you’re starting a self-care ritual or expanding your supplement routine, our beauty gummies are crafted to support your body’s natural rhythms through every stage of womanhood.
Pink Stork Total Glow provides a beauty-focused vitamin blend with biotin, vitamin A, B6, and B12 to support hair growth alongside clearer skin and stronger nails.
This multi-benefit formula is designed for women who want hair support as part of a broader beauty routine. The B vitamin complex supports cellular energy production in hair follicles, while vitamin A promotes healthy sebum production on the scalp. Pink Stork has built a strong reputation in women’s wellness, and this formula reflects that focus with clean ingredients and thoughtful formulation.
Pros:
Triple-benefit formula for hair, skin, and nails
Clean ingredients formulated specifically for women
Trusted brand in women’s health
Cons:
Less hair-specific than dedicated hair growth formulas
Moderate biotin dosage
Best for: Women who want an all-in-one beauty vitamin that covers hair, skin, and nails.
4. Pink Stork Postpartum Hair Loss Gummies – Best for Postpartum
Pink Stork Postpartum Hair Loss Gummies | Biotin, Pantothenic Acid, Vitamin E, B6, B12 | Postnatal Hair Growth + Regrowth Support | Breastfeeding-Friendly | Postpartum Essentials | 60 Gummies
Postpartum Hair Recovery + Nutrient Replenishment: Most women experience hair loss and shedding after pregnancy — it’s a normal part of hormone rebalancing. Pink Stork Postpartum Hair Loss Gummies are formulated with 11 key nutrients, including Biotin, Pantothenic Acid, Vitamin E, B6, and B12, to support healthy hair regrowth, scalp nourishment, and overall nutrient restoration during postpartum recovery. 2 gummies a day, 1 month supply.
Hair Growth + Scalp Wellness: Support strong, healthy hair from the inside out. Our expert-formulated postpartum hair vitamins are not a simple biotin supplement. These tasty gummies help maintain scalp comfort, follicle strength, and hair growth while supporting moisture balance and shine through every stage of the fourth trimester.
Skin + Nail Support for Postpartum Radiance: It’s not just about hair — your skin and nails deserve care too! These postnatal hair growth gummies include Vitamin E, Biotin, and Folate to support healthy skin, new cell growth, keratin production, natural glow, and nail strength as your body replenishes nutrients after birth. Take 3 months for best results.
Breastfeeding-Friendly Formula: Designed for new moms, breastfeeding or not, our formula supports your body’s natural recovery after pregnancy. Free from GMOs, gluten, dairy, peanuts, tree nuts, gelatin, and made without added sugar or artificial colors. These hair vitamins for women feature a naturally delicious sweet strawberry flavor you’ll look forward to every day. Pair with our Postpartum Mood Support, Lactation Probiotic, or Postnatal Vitamins for complete, targeted postpartum wellness. No refrigeration needed.
Women-Owned, Women-Run: Pink Stork’s founder and CEO, Amy Suzanne, is a mom of 6 children and knows how important it is to give new moms products you can trust. Over 80% of our employees are women, and we are proud to create clean, trusted, and effective products for every stage of your journey.
Targeted specifically at postpartum shedding, these gummies combine biotin, pantothenic acid, and B vitamins to help new mothers restore hair fullness after pregnancy.
Postpartum hair loss affects many women as estrogen levels drop after delivery, often leading to noticeable shedding around 3–6 months postpartum. This formula addresses that specific window with pantothenic acid (B5) for follicle nourishment, biotin for growth support, and vitamins E, B6, and B12 for overall hair vitality. The ingredients are postnatal-safe and suitable for nursing mothers.
Pros:
Formulated for the specific nutritional needs of postpartum hair recovery
Safe for breastfeeding mothers
Includes pantothenic acid (B5) for follicle health
Cons:
Designed for a specific use case — less ideal for general hair thinning
May not address non-hormonal causes of hair loss
Best for: New mothers experiencing postpartum hair shedding who want a targeted recovery formula.
5. Natures Craft Biotin 10000 mcg – Best Value
Natures Craft 10000 mcg Pure Biotin Pills for Women Men – Promotes Thicker and Fuller Hair. Natural Supplement for Shiny Thick Hair Growth – Vegetarian Vitamin Capsules – Get Clear Skin Strong Nails
Hair Growth Supplement – Thicker hair Biotin 10000mcg maximum strength B vitamin veggie capsules fight dry hair breakage and promote healthy skin long hair and fast nail growth
Pure Biotin Supplement – Our biotin pills are loaded with anti aging vitamins to keep your skin glowing and acts as a natural hair growth nutrient to boost hair volume nail growth and healthy skin
Hair Care Nutrients – Vitamin H hair thickener for fine hair is free of artificial colors chemical preservatives soy dairy and eggs. Gluten-free kosher beauty pills are formulated in USA and GMP certified
Metabolism Booster – This is more than just a hair supplement our biotin vitamins are also energy pills and act as a metabolism supplement for healthy digestion support and enhanced energy levels
Natures Craft Quality – We stand by our products and take customer satisfaction seriously which is why all of our products are rigorously tested for quality control because you deserve the best
A high-potency biotin capsule at 10,000 mcg per serving — one of the strongest and most affordable pure biotin options for hair growth.
Biotin is the single most studied vitamin for hair growth, and Natures Craft delivers it at a robust 10,000 mcg per capsule without fillers or unnecessary additives. This straightforward formula is ideal for anyone who already gets other nutrients from their diet or multivitamin and simply wants to add a potent biotin boost. The capsules are easy to swallow, and the generous bottle count keeps the per-serving cost extremely low.
Pros:
High-potency 10,000 mcg biotin per capsule
Extremely affordable per serving
Clean, no-filler formula
Cons:
Biotin only — no additional hair-supporting nutrients
Capsule form only
Best for: Anyone who wants a powerful biotin supplement at a budget-friendly price.
6. ZEBORA Hair Growth Vitamins – Best Multi-Action
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ZEBORA Hair Growth Vitamins with Biotin, Keratin & Collagen – Biotin Gummies with Beauty Support Blend for Hair, Skin & Nails – Vegan Hair Vitamins for Women & Men – 90 Blueberry Gummies, Non-GMO
ALL-IN-ONE HAIR VITAMINS: ZEBORA Biotin Gummies contain powerful biotin, essential vitamins, minerals, and a proprietary blend to provide antioxidant support and promote collagen synthesis. Just 2 delicious gummies per day can support beautiful hair, radiant skin, and healthy nails.
HAIR HEALTH & SHINE COMPLEX: ZEBORA Hair Vitamins promote thicker, fuller, healthier hair. Our formula is enriched with Biotin, combined with Keratin and a proprietary blend. Keratin creates a protective layer that prevents collagen loss, while Biotin works synergistically with the proprietary blend to help reduce hair loss and enhance the overall strength of your hair. Additionally, the formula contains Hyaluronic Acid to moisturize hair and reduce frizz.
ALL-IN-ONE BEAUTY SUPPLEMENT: ZEBORA Biotin supplement combines with essential Vitamins A, D and B Vitamins and Zinc to provide multiple anti-aging benefits, supporting collagen synthesis to help reduce fine lines and wrinkles while promoting healthy hair, enhancing skin’s radiance and elasticity, promoting a firmer, smoother complexion, while strengthening and nourishing brittle nails.
SIMPLE, EFFECTIVE, GUMMY TASTING GIMMIES: Delicious blueberry flavor blended with real fruit flavors, perfect for daily nutritional supplementation. Designed for practical and easy on-the-go supplementation for men and women. In addition, bamboo extract and coconut MCT powder are specially added to maximize biotin supplement support for immune system health and enhance overall vitality.
PURE FORMULA YOU CAN TRUSTED AND TESTED: Our Biotin Gummies are made in a GMP certified facility and third-party tested to verify purity and potency, free of GMOs, gluten, soy, artificial sweeteners, dairy and synthetic dyes, committed to supporting your health and well-being with high quality.
ZEBORA’s formula stands out by combining biotin, keratin, and collagen — three of the most effective hair ingredients — in a single gummy.
This triple-action approach tackles hair health from multiple angles. Biotin supports new growth at the follicle, keratin strengthens the hair shaft from within, and collagen provides structural amino acids that improve hair thickness and scalp health. The beauty support blend rounds out the formula with additional vitamins and minerals. For anyone who wants multiple hair benefits without taking several different supplements, this is a strong choice.
Pros:
Three key hair ingredients: biotin, keratin, and collagen
Addresses growth, strength, and structure
Convenient gummy format
Cons:
Individual doses may be lower than standalone supplements
Contains gelatin
Best for: People who want a multi-action hair vitamin that covers growth, strength, and structure in one serving.
7. Advanced Multi Collagen Peptides Pills – Best Collagen Formula
Advanced Multi Collagen Peptides Pills 120ct – Biotin and Collagen Supplement with BioPerine and Hair Skin Nails Vitamins for Women Men – Multi Pills for Women with Types 1 2 3 5 & X
What’s Inside – Our biotin collagen peptides capsules are loaded with multi collagen peptides including marine collagen in addition to vitamin C biotin 5000mcg per serving and BioPerine for enhanced absorption
Anything but Standard – Forget about typical collagen and biotin supplements and try our hydrolyzed collagen capsules packed with powerful hair and nail vitamins for enhanced length and strength
1735mg per serving Collagen Complex – Reap the benefits of biotin and grass fed collagen for beautiful hair skin and strong nails with full spectrum collagen with absorption enhancing black pepper extract
Joint Supplements – Joint health has never been easier thanks to our type 2 collagen joint supplement with marine collagen which can help boost cartilage production and increase mobility
Natures Craft Quality – We are proud to be a leading name in premium hair supplements for women and men including gummies and our hydrolyzed collagen peptides capsules for women of all ages
This collagen-forward formula combines multiple collagen types with biotin to support hair structure, thickness, and overall scalp health.
Multi collagen peptides provide Types I, II, III, V, and X collagen — the building blocks of hair, skin, and connective tissue. The addition of biotin complements the collagen by supporting keratin production at the follicle level. The capsule format delivers clinically meaningful doses without the sugar content of gummy alternatives. Collagen supplementation has strong research support for improving hair thickness and reducing brittleness over time.
Pros:
Multiple collagen types for comprehensive structural support
Combined with biotin for dual-action hair benefits
Sugar-free capsule format
Cons:
Not vegan — contains animal-derived collagen
Requires swallowing multiple capsules per serving
Best for: Anyone who wants to prioritize collagen alongside biotin for hair thickness and structural support.
8. Lunakai Biotin Gummies 5000 mcg – Best Budget Gummies
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Lunakai USA Made Biotin Gummies 5000mcg with Vitamin C & E – Delicious Hair Skin Nails Vitamins for Women, Non-GMO, Hair Growth Supplement, 60 Ct
High Potency Biotin for Hair Growth – Packed with 5000mcg of biotin (Vitamin B7), our gummies support healthy hair growth and help maintain strong nails and glowing skin.
Enhanced Formula with Vitamins C & E – Added Vitamin C and E provide antioxidant support, enhancing the health of your hair, skin, and nails while promoting overall wellness
Hair, Skin & Nail Vitamins for Women – Specially formulated for women, these non-GMO gummies are an easy, tasty way to supplement essential nutrients for beauty from within.
Delicious Cherry-Flavored Gummies – Enjoy your daily dose of biotin in a naturally flavored, cherry gummy that tastes great without any artificial colors or flavors.
Supports Stronger Nails & Healthy Skin – Loaded with essential nutrients, these biotin gummies help promote stronger nails and improve skin texture for a radiant, youthful appearance.
An affordable biotin gummy with added vitamins C and E that delivers daily hair support without a premium price tag.
These gummies provide 5,000 mcg of biotin per serving — a clinically relevant dose for hair maintenance and growth. Vitamin C supports collagen synthesis while vitamin E promotes scalp circulation and health. Made in the USA and free from artificial dyes, these gummies offer a simple, effective entry point for anyone new to hair vitamins or looking for a budget-friendly daily option.
Pros:
Solid 5,000 mcg biotin dose with vitamins C and E
Budget-friendly price
Great-tasting and easy to take daily
Cons:
No advanced ingredients like saw palmetto or keratin
Lower potency than 10,000 mcg options
Best for: Budget-conscious buyers who want a simple, effective biotin gummy for daily hair support.
9. Multi Collagen Peptides Powder – Best Powder Option
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Multi Collagen Peptides Powder Types I, II, III, V, X Multi Collagen Protein Powder with Hyaluronic Acid, Biotin, Vitamin C, For Skin Hair Nails Joints and Gut Health – Keto, Non-GMO Supplement
10g Grass Fed Hydrolyzed Collagen, 4500mcg Biotin, 60mg Vitamin C, 90mg Hyaluronic Acid: Our premium blend of multi collagen not only contains collagen types I, II, III, X, V it also contains collagen boosting ingredients: Biotin, Vitamin C and Hyaluronic Acid for maximum effectiveness.*
Size: 16 oz, 1lb, measured by weight, not by volume (approximately) Please note that the jar will only be sixty percent full. This is done so that powder does not escape during filling, and is standard for any powder filling.
Formulated to help Support Hair, Skin, Nails and Joint Health* – Studies have shown that after the age of 25 collagen production naturally decreases. As we age supplementing with collagen can help support healthy skin, hair, nails and joints*. Vitamin C supports the synthesis of collagen, while biotin and hyaluronic acid both support skin health.*
Better Ingredients, Better Prices: As a direct to consumer company we’re able to skip the middle man and pass the savings directly onto the consumer. As a market leader in the Hydrolyzed Collagen space we’re able to secure better pricing on higher quality ingredients, that again we’re able to pass onto our customers
This unflavored collagen powder delivers Types I, II, III, V, and X collagen peptides with hyaluronic acid, offering maximum dosing flexibility for hair and skin support.
Powder-form collagen supplements allow for higher doses per serving than capsules or gummies, making them ideal for anyone serious about collagen supplementation for hair thickness. The unflavored formula mixes easily into coffee, smoothies, or water without altering taste. Hyaluronic acid adds moisture-retention benefits for the scalp, and the multi-type collagen profile ensures comprehensive structural support for hair, skin, and nails.
Pros:
Higher collagen dose possible than capsules or gummies
Unflavored and versatile — mixes into any drink
Includes hyaluronic acid for scalp hydration
Cons:
Requires mixing — less convenient than grab-and-go formats
No biotin included — may need to pair with a biotin supplement
Best for: Anyone who prefers a powder supplement and wants maximum collagen dosing flexibility for hair health.
How to Choose the Best Hair Vitamins
Start with biotin as the foundation — it’s the most well-researched vitamin for hair growth, and doses between 2,500 mcg and 10,000 mcg are standard. Beyond biotin, look for formulas that include complementary nutrients like zinc, collagen, keratin, saw palmetto, horsetail extract, folic acid, and B vitamins. Multi-ingredient formulas tend to outperform single-ingredient supplements because they address hair health from several angles simultaneously.
Consider which form best fits your lifestyle. Gummies offer the best taste and easiest compliance but usually contain added sugar and lower ingredient doses. Capsules deliver higher potency per serving and skip the sugar. Powders provide the most flexibility and highest possible doses, especially for collagen, but require mixing. The best choice is whichever form you’ll take consistently every day.
Quality indicators like GMP certification, USA manufacturing, and third-party testing provide assurance that the product contains what the label claims. NSF and USP certifications are the gold standard but aren’t universal. At minimum, confirm the manufacturer follows GMP guidelines and avoids artificial fillers, dyes, and common allergens.
Match the formula to your specific situation. General hair vitamins work well for maintenance and mild thinning. Postpartum-specific formulas target hormonal hair loss after pregnancy. DHT-blocking ingredients like saw palmetto are better suited for pattern thinning. Choosing the right formula for your hair concern will produce faster, more noticeable results.
Frequently Asked Questions
What vitamins are best for hair growth?
Biotin (vitamin B7) is the most widely studied vitamin for hair growth. Other important hair vitamins include vitamin D, vitamin E, vitamin C, folic acid, niacin (B3), and pantothenic acid (B5). Minerals like zinc and iron also play critical roles in hair follicle function. A well-rounded hair vitamin that includes several of these nutrients will generally produce better results than any single vitamin alone.
How long do hair vitamins take to show results?
Most people notice reduced shedding within 4–6 weeks and visible improvements in hair thickness, growth rate, and overall health after 2–3 months of consistent daily use. Hair grows approximately half an inch per month, so meaningful changes in length and volume require patience. Full results are typically seen after 4–6 months of uninterrupted supplementation.
Can hair vitamins cause breakouts?
High-dose biotin supplements can sometimes cause acne breakouts in some individuals, particularly during the first few weeks of use. This is because biotin can affect the absorption of vitamin B5 (pantothenic acid), which plays a role in skin health. Starting with a lower dose and gradually increasing, or choosing a formula that also includes B5, can help minimize this side effect.
Should I take hair vitamins on an empty stomach?
Hair vitamins are best taken with food. Many hair formulas contain fat-soluble vitamins (A, D, E, K) that absorb better with dietary fat. Taking them with a meal also reduces the chance of stomach discomfort. Taking your hair vitamin at the same time each day — typically with breakfast — helps build a consistent habit that improves long-term results.
Can men take hair vitamins designed for women?
Most hair vitamin ingredients — biotin, collagen, zinc, B vitamins — work identically for men and women. The core formulas are gender-neutral, and men can safely take most women’s hair vitamins. The main differences are marketing and occasionally the inclusion of ingredients specific to female hormonal needs, like folic acid for prenatal support. Men experiencing hair thinning should look for formulas with saw palmetto and zinc, which specifically target DHT-related hair loss.
Do hair vitamins really work?
Hair vitamins are most effective when hair issues are caused or worsened by nutritional deficiencies — which is more common than many people realize. Biotin, zinc, iron, and vitamin D deficiencies are all linked to hair thinning and slow growth. If your diet already provides adequate amounts of these nutrients, the benefits of supplementation may be more modest. Consistency is key; taking a hair vitamin sporadically will not produce noticeable results.