10 Best supplements for hair growth and thickness (2025)

10 best supplements for hair growth and thickness in 2025 include a variety of essential nutrients that promote healthy hair. Biotin tops the list, known for strengthening hair strands, while collagen supports overall hair structure. Vitamin D and iron are crucial for preventing hair loss, and omega-3 fatty acids nourish the scalp. Zinc and folic acid enhance hair follicle health, while saw palmetto may help block hair loss hormones. Additionally, keratin supplements can improve hair resilience. Incorporating these supplements into your routine can lead to thicker, healthier hair, making them a must-try for anyone seeking to boost their hair growth.

Bestseller No. 1

Biotin + Keratin + Collagen + Horsetail + Saw Palmetto. Advanced 5-in-1 Hair Growth Supplement for Women and Men. Hair Vitamins, DHT Blocker Pills. Capsules for Thinning Hair with Biotin 5000mcg

5-in-1 Hair Vitamins - We combine 5 top hair growth vitamins including Biotin + Keratin + Collagen + Horsetail + Saw Palmetto into one digestible supplement!
What Makes Us Different? Unlike generic hair pills, Hair Thickness Maximizer’s 5-in-1 Hair Growth Vitamins are specifically made with your hair growth in mind! We created a non-toxic hair vitamin so that you can feel confident in your appearance.
Strengthen, Replenish, Repair & Protect: These 5 Ingredients have been traditionally used to nourish hair. These hair growth pills can be used as part of your everyday hair care routine to help promote stronger, and fuller-looking hair.
For All Hair Types: women and men with weak hair, thinning hair, receding hair, curly, straight, short, long, dry, wavy, frizzly, or chemically-treated hair and 1A to 4C hair types.
Manufactured Under The Highest Quality GMP Regulations and USA Standards. We create conscious hair oils and supplements. This product is free of harsh chemicals and gluten.

SaleBestseller No. 2

Nature's Bounty Hair Growth Supplement, 1 Per Day, Clinically Shown to Support Thicker, Fuller Hair, with Biotin, Silicon & Arginine, 30 Capsules

CLINICALLY SHOWN: Nature’s Bounty Optimal Solutions Hair Growth with Advanced Hair Complex is clinically shown to help grow thicker fuller hair in just three months (1)
WITH ADVANCED HAIR COMPLEX: Our innovative formulation with ADVANCED HAIR COMPLEX contains Arginine Silicate Inositol and Magnesium Biotinate
CONVENIENT ONE-PER-DAY FORMULA: Just one capsule per day delivers vital nutrients to your hair follicles and supports existing hair growth and increased thickness (1)
GREAT VALUE: Compare the cost of Nature’s Bounty Optimal Solutions Hair Growth with other clinically studied hair growth supplements
FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Optimal Solutions Hair Growth is a product of 50 years of dedication to quality and scientific research to make vitamins and nutritional supplements you can trust

Bestseller No. 3

Nioxin Density Defend Hair Growth Supplements - For Hair Growth and Thickness, 30 Tablets, (Packaging May Vary)

Supports Hair Growth: Nioxin Hair Growth* Supplements are specially formulated to promote the growth of healthy, thicker-looking hair.
Strengthens Hair Follicles: This hair supplement contains key nutrients that help strengthen the hair follicles, reducing breakage and enhancing overall hair health.
Revitalizes Scalp: With its unique blend of ingredients, these hair growth supplements help revitalize the scalp, creating an optimal environment for hair growth.
Promotes Fullness: Regular use of this hair supplement can contribute to increased hair density, resulting in a fuller appearance.
Improves Hair Resilience: The supplements help fortify the hair strands, making them more resilient to daily styling and environmental stressors.

Bestseller No. 4

Hair Growth Vitamins Complex, 120 Capsules | 14-in-1 Formula with 5,000mcg Biotin, Collagen, Keratin, Vitamin C, Saw Palmetto & More | Vitaminas Para El Cabello | Promotes Natural Growth & Thickness

Micro Ingredients offers 120 extra-strength capsules of a 14-in-1 hair vitamins complex, enjoy essential women and men hair nourishing nutrients that include vitamins, minerals, and antioxidants.
Each 2-capsule serving size provides 1,000mcg vitamin A, 100mg vitamin C, 20mcg vitamin D, 400mcg folate, 5mcg vitamin B12, 5,000mcg biotin, 10mg iron, 10mg zinc, 500mg saw palmetto, 500mg ashwagandha, 50mg bamboo extract, 50mg hydrolyzed collagen peptides, and 50mg hydrolyzed keratin.
Key hair micronutrients like vitamin A, B12, C, folate, and saw palmetto are designed to combat signs of thinning and shedding.
The addition of biotin, zinc, keratin, iron, and collagen work together to promote strength and thickness for existing hair and new growth.
Premium non-GMO ingredients, made without soy, dairy, gluten, wheat, peanuts, and tree nuts. Each batch goes through 3rd party lab tests to ensure a product that is safe, pure, and potent.

Bestseller No. 5

Naturenetics HairAnew Hair Growth Vitamins for Women & Men - Hair Vitamins For Faster Hair Growth & Thickness - Part of Proceeds go to Hair Loss Charity - Vegan Hair Supplement For Hair Skin Nails (1)

NOTICEABLE HAIR GROWTH: Expect stronger, thicker, fuller hair with consistent use of this vitamin for hair growth for women and men. Also targets thinning hair and hair fall due to vitamin deficiencies, postpartum and stress.
TRUSTED NATURAL PRODUCTS: Just 2 easy to swallow capsules once per day provides 11 powerful ingredients, including 5,000 mcg biotin, and other hair vitamins for hair growth and thickness and support for damaged, fine or thin tresses.
MORE THAN HAIR CARE: These hair vitamins for thicker hair growth are for women and men of all ages and work for all hair types - straight, wavy, curly or coily - plus biotin, zinc, vitamin C and E and more also benefits hair skin nails and lashes.
AWARD-WINNING: These hair growth vitamins for men & women have been featured in Women's Health, Harper's Bazaar, and Healthline, and are trusted by thousands of customers who love that it’s vegan, cruelty, sugar, and soy-free, non-GMO, and USA made.
INDEPENDENTLY TESTED: Be confident that this hair growth supplement is clean & pure because we independently test every batch and publish the results (see images) - but if you're not completely satisfied, let us know within 90 days for a full refund.

Bestseller No. 6

Hair Thickness Maximizer 11-in-1 Vegan Hair Growth Vitamins with Biotin 5000mcg Pumpkin Seed Saw Palmetto & Bamboo Extract Hair Strengthening Supplement - Hair Vitamins for Thicker Hair Growth

Ultimate Hair Growth Boost: Our 11-in-1 fuller hair vitamins pack a punch with top hair growth vitamins like Biotin, Pumpkin Seed, Horsetail, Saw Palmetto, Zinc, and Copper. These hair growth vitamins are designed to give you thicker, stronger hair with every dose
Unique Hair Maximizer Formula: Forget generic hair pills. Our Hair Thickness Maximizer capsules are crafted just for you, focusing on hair growth and thickness. We created a non-toxic hair vitamin so that you can feel confident in your appearance with these Hair Thickness Maximizer vegan hair growth vitamins
Strengthen And Protect: Packed with ingredients like horsetail extract for hair growth and pumpkin seeds for hair growth, these hair strengthening hair growth and thickness vitamins work wonders. Use them daily for stronger, fuller-looking hair and nourish your locks from root to tip
Perfect For All Hair Types: Whether you've got curly, straight, short, long, dry, or wavy hair, our hair growth vegan capsules are for everyone. From women hair growth to men's, these vitamins help battle thinning, receding, frizzy, and chemically-treated hair, suitable for 1A to 4C types
Quality You Can Trust: Made in the USA following top-notch GMP standards, our hair vitamins are gluten-free and free from harsh chemicals. Hair Thickness Maximizer ensures every capsule in this 90-count pack is pure and effective, helping you achieve the hair of your dreams safely and naturally

SaleBestseller No. 7

Biotin + Keratin + Marine Collagen + Hyaluronic Acid. Advanced 4-in-1 Hair Growth Vitamins Capsules. Hair Thickening Complex with 10000mcg Biotin. Supplement for Women & Men with Hair Loss, Thinning

Ultimate Hair Boost: Our 4-in-1 Hair Vitamins pack a punch with 10,000mcg Biotin, Keratin, Marine Collagen, and Hyaluronic Acid, all in one easy-to-take capsule. These collagen capsules are your go-to for hair growth and thickness
Why Choose Us?: Hair Thickness Maximizer’s Hair Growth Vitamins are crafted with your locks in mind. These biotin + keratin supplement are non-toxic and infused with essential hair growth vitamins, giving you the confidence to flaunt your hair
Nourish & Protect: Our hair vitamin strengthens and revitalizes your hair while boosting skin elasticity and hydration. The combination of keratin and marine collagen in biotin hair capsules are perfect men and womens hair vitamins for thinning hair, promoting luscious locks and glowing skin
Perfect For All Hair Types: Whether your hair is curly, straight, thinning, or chemically-treated, our hair vitamins cater to all, including types 1A to 4C. Perfect hair pills for both men and women hair growth. These collagen supplements for hair growth provides skin hydration support and promotes hair growth
Quality You Can Trust: Made in the USA under strict GMP standards, our keratin capsules are free from harsh chemicals and gluten. Embrace conscious beauty with Hair Thickness Maximizer's unbeatable quality in every capsule

Bestseller No. 8

Biotin with Hyaluronic Acid & Collagen Supplement — The Nutraharmony biotin supplement contains potent Biotin, Collagen, Keratin, and other essential nutrients that naturally support your health and beauty. Take two capsules a day with our highly bioavailable formula that promotes fast and proper absorption. Take care of your skin.
Hair, Skin & Nails Vitamins — Biotin capsules were designed to give you what your body needs. Each capsule features biotin and keratin to maintain healthy & silky hair. Biotin Capsules support skin radiance & overall nail health. Elevate your beauty effortlessly with this convenient solution that helps you maintain your peak allure!
Collagen, Keratin & Biotin Complex — Our hair, nail, and skin vitamins help promote a younger-looking appearance and support strong nails & hair. Because our formula is superior, you can rest assured that you're taking the finest for your health and beauty. Enjoy a healthy-looking complexion.
Effective Protein Formula — We believe that beauty starts from within. Our advanced technology is how we can manufacture the highest quality biotin supplements in the USA. The capsules are formulated without GMOs, gluten, and corn syrup, so you can feel good about what you are putting in your body.
Highest Quality — We work hard to produce high-quality biotin pills to meet and exceed your expectations. However, if we fall short of your expectations, please drop us a message, and we will do everything in our power to respond promptly and fix the issue as soon as possible because you deserve it. The term "Beauty Complex" represents vitamins B2, B3, B6 and B7 (Biotin)

SaleBestseller No. 9

Nature's Bounty Biotin, Supports Healthy Hair, Skin and Nails, 10,000 mcg, Rapid Release Softgels, 120 Ct

SUPPORTS HEALTHY HAIR (1): As is a commonly used vitamin for healthy hair Biotin helps support and maintain healthy beautiful hair (1)
SKIN & NAIL HEALTH SUPPORT (1): Biotin plays an important role in the health of your skin and also supports healthy nails so you can continue to look and feel your best (1)
NERVOUS SYSTEM SUPPORT (1): As part of the B Family of vitamins Biotin helps support a healthy nervous system and has other benefits as well (1)
ENERGY METABOLISM: Your body uses B-Vitamins, like Biotin to help convert foods into cellular energy; (1) Nature’s Bounty Biotin vitamins may play an important role in helping maintain energy metabolism (1)
FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Biotin Softgels are a product of 50 years of dedication to quality consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence

Bestseller No. 10

Hair Thickness Maximizer Biotin and Collagen Supplements - 10000mcg Biotin + Bovine Collagen Advanced 2-in-1 Hair Growth + Thickening Vitamins Complex - Biotin & Collagen for Hair Growth

Ultimate Hair Boost: Our 2-in-1 Hair Vitamin pack a punch with 10,000mcg Biotin and Bovine Collagen in one easy-to-take capsule. It's the ultimate combo for hair growth and thickness. Perfect for anyone looking for collagen for hair growth or collagen pills for both women and men
What Makes Us Different: Unlike other hair pills, our Hair Thickness Maximizer vitamins are tailored with your hair growth. The non-toxic formula of these collagen and biotin supplements means you can feel great about using our product to boost your hair confidence. Ideal biotin and collagen supplements for those seeking a solution for hair shedding
Strengthen & Protect: These hair growth pills, rich in collagen and biotin, are designed to nourish, strengthen, and thicken your hair. Incorporate hair growth and thickness vitamins into your daily routine to support fuller, healthier-looking hair. Great for those on the lookout for hair growth and thickening vitamins
For Every Hair Type: Whether your hair is weak, thinning, curly, straight, or chemically-treated, our product works wonders for all hair types, from 1A to 4C. Perfect hair growth vitamins for men and women. Ideal biotin collagen supplement for hair growth
Quality You Can Trust: Manufactured under top-notch GMP regulations and USA standards, our capsules are free from harsh chemicals and gluten. Created by Hair Thickness Maximizer, they're packed with vitamins for hair growth and thickness, making them reliable collagen mens hair supplements

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