20 Best Keratin And Biotin Pills [2024]

Are you looking for the best keratin and biotin pills? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling keratin and biotin pills.

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# Preview Product
1 Biotin, Keratin & Collagen Capsules - Made in USA - Natural Fish Collagen, Keratin & Biotin for Hair... Biotin, Keratin & Collagen Capsules - Made in USA - Natural Fish Collagen, Keratin & Biotin for...
2 Nature's Truth Biotin Complex w/ Alpha Lipoic & Keratin , 50 Count (Pack of 1) Nature's Truth Biotin Complex w/ Alpha Lipoic & Keratin , 50 Count (Pack of 1)
3 Artist Nutrition Multi Collagen + - Collagen Peptides with 10,000mcg Biotin, Vitamin C & B, Keratin,... Artist Nutrition Multi Collagen + - Collagen Peptides with 10,000mcg Biotin, Vitamin C & B,...
4 Biotin with Coconut Oil for Hair 10000mcg (180 Softgels) Biotin Supplement - Biotin Pills for Hair... Biotin with Coconut Oil for Hair 10000mcg (180 Softgels) Biotin Supplement - Biotin Pills for...
5 Codeage Hair Vitamins 10000 mcg Biotin, Keratin, Collagen, Vitamin A, B12, C, D3, E, Zinc, Inositol... Codeage Hair Vitamins 10000 mcg Biotin, Keratin, Collagen, Vitamin A, B12, C, D3, E, Zinc,...
6 Reserveage, Keratin Hair Booster, Hair and Nails Supplement, Supports Healthy Thickness and Shine... Reserveage, Keratin Hair Booster, Hair and Nails Supplement, Supports Healthy Thickness and Shine...
7 Finest Nutrition Biotin Plus Keratin - 10,000 mcg - 300 Count - 2 Pack Finest Nutrition Biotin Plus Keratin - 10,000 mcg - 300 Count - 2 Pack
8 Trio Biotin Hair Abundance 10,000mcg - Hair Growth Vitamins for Stronger and Healthier Hair, Skin... Trio Biotin Hair Abundance 10,000mcg - Hair Growth Vitamins for Stronger and Healthier Hair, Skin...
9 10X Potent Hair Growth Vitamins Infused with Keratin + Collagen + Silica for Vibrant Hair- Extra... 10X Potent Hair Growth Vitamins Infused with Keratin + Collagen + Silica for Vibrant Hair- Extra...
10 Liquid Biotin & Collagen Hair Growth Drops 50,000mcg – Biotin and Liquid Collagen Supplements for... Liquid Biotin & Collagen Hair Growth Drops 50,000mcg – Biotin and Liquid Collagen Supplements...
11 OLLY Undeniable Beauty Gummy, For Hair, Skin, Nails, Biotin, Vitamin C, Keratin, Chewable... OLLY Undeniable Beauty Gummy, For Hair, Skin, Nails, Biotin, Vitamin C, Keratin, Chewable...
12 Hair Growth Vitamins (Clinically Proven Ingredients) Award Winning Keratin, Biotin and More, Proven... Hair Growth Vitamins (Clinically Proven Ingredients) Award Winning Keratin, Biotin and More,...
13 ResVitale Keratin Hair Enhance - Hydrolyzed Keratin Complex for Hair Skin and Nails - Cynatine HNS... ResVitale Keratin Hair Enhance - Hydrolyzed Keratin Complex for Hair Skin and Nails - Cynatine...
14 KeraHealth Hair Women Hair Growth Supplement with Zinc, Keratin with Biotin Pills for Hair Loss, No... KeraHealth Hair Women Hair Growth Supplement with Zinc, Keratin with Biotin Pills for Hair Loss,...
15 Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free, Gluten-Free,... Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free,...
16 Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for... Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for...
17 Biotin 10000mcg + Clinically Proven Keratin for Hair Growth. Vegan Regrowth Capsules Supplement for... Biotin 10000mcg + Clinically Proven Keratin for Hair Growth. Vegan Regrowth Capsules Supplement...
18 Biotin 20,000mcg with Keratin, Organic Coconut and Zinc, Hair Growth Supplements, Biotin... Biotin 20,000mcg with Keratin, Organic Coconut and Zinc, Hair Growth Supplements, Biotin...
19 Spring Valley 10000mcg Biotin with 100mg Keratin Dietary Supplement, 60 Tablets (Pack of 2) Spring Valley 10000mcg Biotin with 100mg Keratin Dietary Supplement, 60 Tablets (Pack of 2)
20 Nature's Bounty Biotin, Supports Healthy Hair, Skin and Nails, 10000 mcg, Rapid Release Softgels,... Nature's Bounty Biotin, Supports Healthy Hair, Skin and Nails, 10000 mcg, Rapid Release Softgels,...
Bestseller No. 1
Biotin, Keratin & Collagen Capsules - Made in USA - Natural Fish Collagen, Keratin & Biotin for Hair...
  • Biotin And Collagen Pills - Our Beauty Booster contains an essential amount of hydrolyzed collagen, biotin, keratin, and most of the vital...
  • Best Hair Growth Vitamins - Our hair vitamins help to strengthen hair, promote its faster growth, and prevent hair loss. While hydrolyzed collagen...
  • Collagen For Women & Men - Our keratin, biotin, and collagen vitamins are perfect for men and women of all ages. Our powerful beauty blend helps to...
  • Keratin & Collagen Complex - We produce only premium supplements using fresh and pure ingredients that are free from hormones, GMOs, gluten, wheat,...
  • Your Experience Matters - We are proud of the quality and purity of every biotin, collagen, and keratin supplement we sell. But if we fell short on...
SaleBestseller No. 2
Nature's Truth Biotin Complex w/ Alpha Lipoic & Keratin , 50 Count (Pack of 1)
  • Biotin Complex with Alpha Lipoic and Keratin
  • With Alpha Lipoic and Keratin
  • This Product Is Manufactured in United States
  • Gluten Free
  • Non-GMO
Bestseller No. 3
Artist Nutrition Multi Collagen + - Collagen Peptides with 10,000mcg Biotin, Vitamin C & B, Keratin,...
  • ESSENTIAL COLLAGEN: Our collagen capsules provide the benefits from five types of collagen. Unlike so many others, our collagen peptide pills contain...
  • DENSE NUTRIENTS: Each of our collagen peptides powder capsules contain 10,000mcg Biotin, Vitamins C, B, Keratin, Hyaluronic Acid. With this...
  • HIGH ABSORPTION: Our multi collagen capsules are enhanced with Vitamin C, shown to improve absorption, ensuring the most bioavailable multi collagen...
  • IMPROVE HEALTH: The Artist’s Multi Collagen + is the ultimate all-in-one collagen supplement. It is designed to support glowing skin, hair growth,...
  • QUALITY INGREDIENTS: At The Artist, we produce only natural vitamins, minerals & herbal extracts, without the use of harmful additives. Our Multi...
Bestseller No. 4
Biotin with Coconut Oil for Hair 10000mcg (180 Softgels) Biotin Supplement - Biotin Pills for Hair...
  • 10,000mcg Biotin With Organic Coconut Oil - Made with 10,000 mcg of D-Biotin and Organic Virgin Coconut Oil, Zeal Naturals Biotin Softgels are the...
  • Support Healthy Hair Growth. Biotin may help improve the body's keratin infrastructure which in turn can strengthen hair follicles and help promote...
  • Strengthen Nails. Taking a biotin vitamin daily may help thicken nail cuticles and prevent breakage by reinforcing the proteins in your body.*
  • Improve Skin Health* - Take biotin 10000 mcg to help nourish your skin from the inside out.*
  • This biotin for hair growth is also known as: hair skin and nails vitamins, beard growth, hair growth vitamins for hair, hair thickening products for...
Bestseller No. 5
Codeage Hair Vitamins 10000 mcg Biotin, Keratin, Collagen, Vitamin A, B12, C, D3, E, Zinc, Inositol...
  • Biotin 10,000 mcg, Collagen, Keratin, and Hair Vitamins: Codeage Hair vitamins offer 10,000 mcg of biotin, hydrolyzed and wild-caught marine collagen...
  • Enzymes, Minerals, and Probiotics for Hair: This hair supplement and vitamin B complex also features zinc, pantothenic acid, iodine, selenium, niacin,...
  • Hair Growth & Shine Complex: Codeage healthy hair growth support and vitamin formula also includes a series of plants and fruit to further enhance its...
  • Hyaluronic Acid, Resveratrol, and BioPerine: Codeage Hair vitamins formula also offers hyaluronic acid, resveratrol, L-lysine, L-proline, and...
  • Manufactured in the USA and Non-GMO: Codeage Hair vitamin is non-GMO, and is free of artificial colors, sweeteners, or preservatives. This hair health...
SaleBestseller No. 6
Reserveage, Keratin Hair Booster, Hair and Nails Supplement, Supports Healthy Thickness and Shine...
  • Healthy hair & nails: An all-in-one solution to help strengthen and nourish your hair and nails better than biotin alone
  • Strength & shine: Helps add thickness and shine to your hair and nails; Supports healthy growth and helps reduce hair shedding
  • 2 capsules: Taken daily nourishes your body with the nutrients needed to support beautiful, vibrant hair and nails; Gluten free and dairy free
  • Start with keratin: Delivers Cynatine HNS Keratin to help your hair keep up with the stresses of styling, coloring and everyday shedding
  • Journey for wellness: Our vision is shaped by nature and cultures around the world striving to improve how we look, feel and think
Bestseller No. 7
Finest Nutrition Biotin Plus Keratin - 10,000 mcg - 300 Count - 2 Pack
  • Supports skin health
  • 10,000 mcg per tablet
  • Promotes healthy hair & nails
Bestseller No. 8
Trio Biotin Hair Abundance 10,000mcg - Hair Growth Vitamins for Stronger and Healthier Hair, Skin...
  • High potency maximum strength Biotin. [ Hair Growth Vitamins] - 10,000mcg of biotin, the building block of healthy hair packed in each tiny vegetable...
  • The perfect hair skin and nail support supplement. Stress and daily life can take a toll on your hair growth. Our Proprietary blend includes Type 1...
  • Benefits all hair types. Whether you’ve got a full head of hair, are thinning, or just want to it to grow faster, Trio Nutrition’s Hair Abundance...
  • Unique blend of proprietary ingredients. All the Vital Nutrients you need for healthy natural HAIR, LASHES, SKIN, NAILS, tendon, cartilage, bones, and...
  • Fall in love with your real hair. You only need one tiny easy to swallow vegetable capsule loaded with benefits for fast, simple, powerful effects...
Bestseller No. 9
10X Potent Hair Growth Vitamins Infused with Keratin + Collagen + Silica for Vibrant Hair- Extra...
  • ✔️THE PERFECT DOSE FOR FULLER, HEALTHIER, FASTER GROWING HAIR - Chiganics packs each pill with our full-spectrum blend of 28 different vitamins...
  • ✔️FOR MANY PEOPLE, LOOKING GOOD IS PART OF FEELING GOOD - Healthy radiant skin is a sign of vibrant good health, which is why we add in patented...
  • ✔️STOP FEELING DOWN EVERY TIME YOU MEASURE PROGRESS - Even on Biotin, hair growth isn't guaranteed. To reach your goals with the best fighting...
  • ✔️THE ULTIMATE HAIR SUPPLEMENT - If you've already suffered through hair loss or are about to, the annoyance of it can cause distress in both your...
  • ✔️GET QUALITY NOT SUGAR PILLS - While other companies lower doses to cut costs, we add in powerful extras like grade seed and goji berry extract...
SaleBestseller No. 10
Liquid Biotin & Collagen Hair Growth Drops 50,000mcg – Biotin and Liquid Collagen Supplements for...
  • High Potency Support for Hair, Skin, & Nails - Our liquid Biotin and Collagen contains a high potency of biotin and collagen to support hair growth,...
  • Biotin is Essential For Support of Healthier Hair & Nails - Men & women can benefit from healthy hair and skin support with our liquid Biotin...
  • Rich and Smooth Flavor - Berry flavor Biotin Collagen liquid goes down smooth and tastes great! our biotin Collagen supplement is a delicious,...
  • B-Complex Family - Biotin is a co-enzyme and one of several B vitamins that support healthy body functions such as metabolism. Nourish your skin and...
  • A Brand You Can Trust - We are proud of the quality & purity of every bottle of Biotin we sell. But if for some reason we do not meet your...
SaleBestseller No. 11
OLLY Undeniable Beauty Gummy, For Hair, Skin, Nails, Biotin, Vitamin C, Keratin, Chewable...
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product...
  • OLLY UNDENIABLE BEAUTY: Our delicious OLLY beauty gummies are packed with the perfect blend of active ingredients to help keep your hair and nails in...
  • THE GOODS INSIDE: Biotin is an essential nutrient to support healthy hair and nails. Vitamin C is a key nutrient in the production of collagen (the...
  • HOW TO TAKE: Chew two gummies, no food or water needed
  • NATURALLY DELICIOUS: These beauty gummies come in naturally flavored Grapefruit Glam with no artificial colors or flavors and are gluten free. 60...
SaleBestseller No. 12
Hair Growth Vitamins (Clinically Proven Ingredients) Award Winning Keratin, Biotin and More, Proven...
  • Proven Hair Growth Vitamins: About 88% of patients saw improved hair shininess and brightness with Cynatine HNS Keratin. We've added proven EVNolMax...
  • Real Science, Real Results: Rebuild hair at the cellular level with EvnolMax tocotrienols, a potent super vitamin E shown in clinical studies to...
  • 100% Natural Hair Growth Product: Doctor-formulated and approved hair Maintenance supplement for women and men. A patented keratin hair treatment,...
  • Lustrous Shine, Built with Strength: Studies show that hair strength and appearance is more heavily influenced not by external factors such as stress,...
  • Safety Assured Standard of Quality: Our Hair Growth Formula is 3rd-party tested for purity and manufactured in the USA using imported and domestic...
SaleBestseller No. 13
ResVitale Keratin Hair Enhance - Hydrolyzed Keratin Complex for Hair Skin and Nails - Cynatine HNS...
  • CYNATINE HNS - THE ULTIMATE HAIR SKIN NAILS SUPPLEMENT: Cynatine HNS consists of solubilized keratin peptides with the same amino acids profile as...
  • ENHANCES HAIR STRENGTH: Powerful formula of keratin, resveratrol, hair skin and nails vitamins (biotin, niacin, vitamin B6, Pantothenic Acid), and...
  • SUPPORTS HAIR GROWTH CYCLE: With age, keratin production naturally declines, leaving the hair shaft weaker and less stable. Our hair growth supplement...
  • INCREASED SHINE & VOLUME; REDUCED SHEDDING: Keratin peptides improve the protein structure and improve moisture retention, thus thickening hair and...
  • PROMOTES HEALTHY SKIN AND NAILS - The natural loss of keratin can cause nails to become brittle and skin to become dry and dull. The nutrients in our...
Bestseller No. 14
KeraHealth Hair Women Hair Growth Supplement with Zinc, Keratin with Biotin Pills for Hair Loss, No...
  • REDUCES HAIR LOSS - With aging comes thinner and drier hair that's prone to shedding. This product contains essential amino acids that promote the...
  • STRONGER HAIR STRANDS - Our hair is made up of 18 amino acids–eight of which can only be obtained through our diet. With our hair growth pills,...
  • SMOOTHER, SILKIER HAIR - Our hair supplement contains the powerful patented ingredient KerCysteine. Together with antioxidants, vitamins, and...
  • MADE WITH PREMIUM INGREDIENTS - We only use high quality ingredients in our hair vitamins. Free from cruelty, gluten, lactose, trans fat, and drugs,...
  • HEALTHIER SKIN AND NAILS - What's better than long, silky hair? Glowing skin and healthy nails! Get enough keratin protein from our vitamins for hair...
Bestseller No. 15
Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free, Gluten-Free,...
  • Vegan, Non-GMO, Gluten-free & Gelatin-free: Each bottle of Goli contains 60 delicious, vegan, non-gmo, gluten-free & gelatin-free Apple Cider Vinegar...
  • Made in the USA with locally and globally sourced ingredients. Goli Gummies are made in allergen-free, cGMP certified facilities in the United States...
  • Patented Formula, Essential Vitamins, Great Taste: Our patented formula contains essential Vitamins B9 and B12 to help support cellular energy...
  • Vitamin Angels: Goli is a proud supporter of Vitamin Angels
Bestseller No. 16
Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for...
  • NATURAL HAIR GROWTH: 4 capsules per day of this clinically effective hair supplement promotes visibly thicker hair growth and more scalp coverage...
  • SUPPORTS HORMONE HEALTH: Improves hair growth by targeting root causes of thinning hair for women in peri- and postmenopause–like hormone shifts and...
  • CLINICALLY PROVEN TO IMPROVE HAIR GROWTH: 100% of women showed improved hair growth after 9 months, 93% saw less dryness and brittleness, and 93% felt...
  • THE #1 DERMATOLOGIST-RECOMMENDED HAIR GROWTH SUPPLEMENT BRAND*: Grow with the brand trusted by leading dermatologists to improve hair growth...
  • AWARD-WINNING FORMULA: Winner of the Best Anti-Aging Hair Supplement of 2021 Award from Harper’s Bazaar.
Bestseller No. 17
Biotin 10000mcg + Clinically Proven Keratin for Hair Growth. Vegan Regrowth Capsules Supplement for...
  • Clinically Proven To Reduce Hair Loss - Hair Thickness Maximizer uses Cynatine HNS which is a revolutionary natural ingredient comprised of...
  • Most Biotin and Keratin supplements use synthetic, unnatural formulas and fillers that may increase the risk of poor absorption and ineffective...
  • Hair Growth And Regrowth - Recommended for thinning hair, weak hair or hair loss including balding and receding hair. Stimulates and nourishes hair...
  • Quality, And Purity Assured - We ensure All our ingredients are sourced from Clean, Safe environments. To preserve its maximum nutrients as much as...
  • Made In USA + Vegan Formulated & Allergy Free - Free Of Soy, Milk, Egg, Shellfish, Corn, Wheat & Peanuts. Contains No Gluten Or Preservatives....
Bestseller No. 18
Biotin 20,000mcg with Keratin, Organic Coconut and Zinc, Hair Growth Supplements, Biotin...
  • Healthy Hair, Nail Growth: American Standard Supplements’ Biotin offers the highest potency in the market. One capsule contains 20,000mcg of Biotin...
  • Biotin is known for healthy nail and hair growth. Our Biotin is combined with Keratin, that is good for eliminating frizz and smoothen your hair. Zinc...
  • Skin, Nails & Hair Vitamins - Our Biotin with Keratin & Collagen capsules will improve skin, hair, and nail health. Biotin is good to prevent hair...
  • Raw material is purity tested to ensure each of our ingredients meets our high-quality standard and are superior quality. Each ingredient is...
  • As a small family business, here at American Standard Supplements, we only use highest quality ingredients without any artificial sweeteners, colors,...
Bestseller No. 19
Spring Valley 10000mcg Biotin with 100mg Keratin Dietary Supplement, 60 Tablets (Pack of 2)
  • Biotin 10,000 mcg per Tablet.
  • Keratin 100 mg per Tablet.
  • Skin/Hair/Nail Health
  • Assists protein and fat metabolism.
  • 120 Total Tablets
SaleBestseller No. 20
Nature's Bounty Biotin, Supports Healthy Hair, Skin and Nails, 10000 mcg, Rapid Release Softgels,...
  • 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...
  • 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...
  • FROM THE TRUSTED WELLNESS EXPERTS: Nature’s Bounty Biotin Softgels are a product of nearly 50 years of dedication to quality consistency and...

Having trouble finding a great keratin and biotin pills?

This problem is well understood by us because we have gone through the entire keratin and biotin pills research process ourselves, which is why we have put together a comprehensive list of the best keratin and biotin pillss available in the market today.

After hours of searching and using all the models on the market, we have found the best keratin and biotin pills for 2023. See our ranking below!

How Do You Buy The Best Keratin And Biotin Pills?

Do you get stressed out thinking about shopping for a great keratin and biotin pills? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching keratin and biotin pills, which is why we have assembled a comprehensive list of the greatest keratin and biotin pills available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for keratin and biotin pills that you consider buying. Your questions might include the following:

  • Is it worth buying an keratin and biotin pills?
  • What benefits are there with buying an keratin and biotin pills?
  • What factors deserve consideration when shopping for an effective keratin and biotin pills?
  • Why is it crucial to invest in any keratin and biotin pills, much less the best one?
  • Which keratin and biotin pills are good in the current market?
  • Where can you find information like this about keratin and biotin pills?

We’re convinced that you likely have far more questions than just these regarding keratin and biotin pills, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for keratin and biotin pills, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible keratin and biotin pills. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an keratin and biotin pills buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available keratin and biotin pills currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of keratin and biotin pills has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an keratin and biotin pills?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your keratin and biotin pills.
  5. Customer Ratings: Number ratings grade keratin and biotin pills objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their keratin and biotin pills.
  7. Product Quality: You don’t always get what you pay for with an keratin and biotin pills, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an keratin and biotin pills is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining keratin and biotin pills information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding keratin and biotin pills is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Do biotin pills really work?

A: Look, some people swear by biotin supplements, saying it lends their hair a swish and strengthens their nails. And that could well be the case. But the reality is: hard, scientific evidence proving their efficacy is inconclusive. The claims stem from the fact that a deficiency of the vitamin can cause hair loss and skin and nail issues.

Q: Do biotin pills make you gain weight?

A: Essentially, consuming biotin elevates your resting rate of metabolism; this can help accelerate weight loss. If you’re considering using a biotin supplement to help with weight gain, this will be so far from your expectation. In short, biotin does not lead to weight gain.

Q: How much keratin should I take?

A: – The Breakthrough. Years of research led to a special process to make keratin absorbable in supplements. … – Beauty Supplement Details. In both of the above studies, the daily supplement tested contained 500 mg of Cynatine HNS keratin plus 15 mg zinc, 1.65 mg copper, 18 mg vitamin … – Keratin and Joints. …

Q: What are the side effects of too much biotin?

A: red rashes on the skin,especially the face. dry or scaly skin. dry eyes. brittle hair. hair loss. fatigue. insomnia or difficulty sleeping. loss of appetite.