Evidence supporting the use of: Biotin
For the health condition: Skin (dry and/or flaky)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Biotin, also known as vitamin B7 or vitamin H, has traditionally been used to support skin health, especially in cases of dry or flaky skin. This stems largely from its well-known role in treating biotin deficiency, which can indeed cause dermatologic symptoms such as dermatitis, dry or scaly skin, and even hair loss. Historically, biotin supplementation was introduced as a remedy when such deficiency-related symptoms appeared, and this association has led to its continued traditional use for general skin concerns, including dryness and flakiness.

However, the scientific evidence supporting biotin supplementation for individuals without a true deficiency is limited. Most clinical data focus on people with demonstrable biotin deficiency, often due to genetic disorders, certain medications, or parenteral nutrition lacking biotin. In these cases, supplementation has a clear benefit, rapidly reversing skin symptoms. In contrast, studies in healthy individuals with no deficiency have not shown significant improvements in skin moisture or texture with additional biotin. Despite this, biotin remains a popular ingredient in skin and hair supplements due to its traditional association with skin health. In summary, while biotin is essential for maintaining healthy skin, its use for dry or flaky skin is primarily supported by tradition and evidence in deficiency states, rather than robust clinical trials in the general population.

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Products containing biotin

Designs For Health Acnutrol™ capsules
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Vitabase Active Woman's Multi
Metagenics AdvaClear
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Thorne Advanced Nutrients Multivitamin
Metagenics Axis Endo™ Mango
Douglas Laboratories B-Complex
Vitabase B-Complex 100 mg Sustained Release
Thorne B-Complex #12
Thorne B-Complex #6
Pure Encapsulations B-Complex Plus
Pure Encapsulations B-Complex Plus
Designs For Health B-Supreme
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Thorne Basic B Complex
Thorne Basic Nutrients 2/Day Multivitamin
Thorne Basic Prenatal Multivitamin
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Vitabase Biotin
Pure Encapsulations Biotin 8 mg
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Pure Encapsulations Biotin Complex Hair & Skin
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Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus pH
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Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
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Integrative Therapeutics Clinical Nutrients HP
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Metagenics UltraClear Plus Detox Powder Pineapple/Banana
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Metagenics UltraInflamX Plus 360° Pineapple/Banana
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