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Collagen
Keratin
Protein
Protein (unspecified)
Products (18) for Keratin
Keratinopen_in_new

Keratin is a tough, fibrous structural protein that serves as the primary building block for hair, skin, and nails. It provides strength, protection, and resilience to these tissues, forming a crucial barrier against env...

Pairs with Biotin Cysteine METHIONINE Silicon Vitamin C Zinc Copper Collagen +12 more
Pairs with Biotin add Cysteine add METHIONINE add Silicon add Vitamin C add Zinc add Copper add Collagen add Horsetail add Glutathione add Vitamin A add Vitamin E add Folate add Iron add Proline add Glycine add Lysine add Vitamin B6 add Vitamin B5 add Hyaluronic Acid add +20 more
Median$25.31/product$0.75/serving$0.23/100 mg400 mg amount
Best forms Keratin, Hydrolyzed Soluble Keratin Keratin
Good for content_cut Hair Health style Nail Health
Good for content_cut Hair Health style Nail Health +2 more
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Hydrolyzed Keratin, 60 Veggie Cap(s) Doctor's Best
4.5
★ ★ ★ ★ ★
(1905 ratings)
Keratin: 500 mg
Other sellers (2)
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Clincally Advanced Hair Skin & Nails, 90 Capsule(s) NOW Solutions
4.7
★ ★ ★ ★ ★
(4948 ratings)
Keratin: 500 mg
Other sellers (5)
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Hair Skin & Nails Collagen Plus Formula, 120 Tablet(s) Life Extension
4.7
★ ★ ★ ★ ★
(7747 ratings)
Keratin: 500 mg
Other sellers (4)
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91
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Keratin Hair Booster, 60 Capsule(s) Reserveage Nutrition
4.4
★ ★ ★ ★ ★
(2072 ratings)
Keratin: 500 mg
Other sellers (4)
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Type l ll & lll Collagen Keratin with Alpha Lipoic Acid & Hyaluronic Acid, 60 Capsule(s) Solaray
4.6
★ ★ ★ ★ ★
(2063 ratings)
Keratin: 500 mg
Other sellers (4)
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91
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Keratin Hair Booster, 120 Capsule(s) Reserveage Nutrition
4.5
★ ★ ★ ★ ★
(1075 ratings)
Keratin: 500 mg
Other sellers (1)
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Biotin 10000 mcg Plus Keratin 100 mg, 60 Tablet(s) Mason Natural
4.7
★ ★ ★ ★ ★
(833 ratings)
Keratin: 100 mg
Other sellers (1)
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Hair Ultra Softgels, 30 Softgel(s) OLLY
4.3
★ ★ ★ ★ ★
(5763 ratings)
Keratin: 150 mg
Other sellers (3)
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87
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Hair Skin and Nails, 30 Capsule(s) Dr. Mercola
4.6
★ ★ ★ ★ ★
(190 ratings)
Keratin: 500 mg
Other sellers (2)
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Keratin 50 mg, 60 Capsule(s) Swanson
4.5
★ ★ ★ ★ ★
(931 ratings)
Keratin: 50 mg
Other sellers (1)
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88
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Fast-Acting Joint Formula, 30 Capsule(s) Life Extension
4.6
★ ★ ★ ★ ★
(657 ratings)
Keratin: 300 mg
Other sellers (1)
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88
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Tres Beauty 3, 90 Capsule(s) Reserveage Beauty
4.6
★ ★ ★ ★ ★
(448 ratings)
Keratin: 500 mg
Other sellers (4)
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88
content_cut style
Fast-Acting Joint Formula, 30 Capsule(s) Life Extension
4.4
★ ★ ★ ★ ★
(311 ratings)
Keratin: 300 mg
Other sellers (1)
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85
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Undeniable Beauty Grapefruit Glam, 60 Gummy(ies) OLLY
4.5
★ ★ ★ ★ ★
(2217 ratings)
Keratin: 50 mg
Other sellers (2)
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88
content_cut style face_retouching_natural
Hair Skin & Nails, 90 Capsule(s) Bluebonnet Beautiful Ally
4.7
★ ★ ★ ★ ★
(310 ratings)
Keratin: 50 mg
Other sellers (3)
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81
content_cut local_fire_department science medical_services health_and_safety style face_retouching_natural accessibility_new +1
Hair, 120 Capsule(s) Codeage
4.5
★ ★ ★ ★ ★
(5343 ratings)
Keratin: 50 mg
Other sellers (6)
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The 30 Day Beauty Secret, 30 Packet(s) Futurebiotics
4.4
★ ★ ★ ★ ★
(926 ratings)
Keratin: 30 mg
Other sellers (0)
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87
content_cut style face_retouching_natural
Heavenly Hair Tropical Citrus, 60 Gummy(ies) OLLY
4.6
★ ★ ★ ★ ★
(143 ratings)
Keratin: 25 mg
Other sellers (1)
1–18 of 18

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Biotin is essential for the body's keratin infrastructure and promotes healthy hair and nail growth, working synergistically with keratin.
Cysteine is a crucial sulfur-containing amino acid and a primary building block of keratin, directly supporting its synthesis and structure.
Methionine is another essential sulfur-containing amino acid vital for keratin synthesis and overall hair health.
Silicon contributes to the structural integrity of hair, skin, and nails, enhancing the benefits of keratin for strength and resilience.
Vitamin C is essential for collagen synthesis, which supports the dermal layer and hair follicles where keratin is produced.
Zinc plays a vital role in protein synthesis and cell division, which are crucial for the growth and repair of keratin-rich tissues.
Copper is involved in collagen formation and hair pigmentation, supporting healthy hair structure alongside keratin.
Collagen provides structural support to skin and connective tissues, working synergistically with keratin for overall skin, hair, and nail health.
Horsetail, Glutathione, Vitamin A, Vitamin E, Folate, Iron, Proline, Glycine, Lysine, Vitamin B6, Vitamin B5, Hyaluronic Acid
Directly provides the structural protein that hair is made of, shown to reduce hair loss and improve strength.
Provides a direct, bioavailable source of the primary protein that constitutes the nail plate, supporting strength and resilience.
Hair Health
Nail Health
Anti-Aging
Skin Health
Metabolism Boost
Testosterone Support
General Health
Immunity
Bone Health
Joint Health
Energy