Relationship: Skin and biotin

Evidence supporting the use of: Biotin
For the body system: Skin

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Synopsis

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

Biotin, also known as vitamin B7, is commonly promoted for supporting skin health. Biotin is essential for the function of carboxylase enzymes involved in fatty acid synthesis and amino acid metabolism, both of which are important for maintaining healthy skin. However, scientific evidence supporting the use of biotin supplements to improve skin health in the general population is limited. Most clinical benefits have been observed in individuals with an established biotin deficiency, a rare condition that can lead to symptoms such as dermatitis (scaly, red rash), hair loss, and brittle nails. In these cases, biotin supplementation can correct the deficiency and resolve symptoms, including skin issues. For individuals without a deficiency, there is little high-quality evidence that supplemental biotin improves skin health or appearance. Most research and reviews indicate that biotin supplementation is generally unnecessary if adequate amounts are obtained through the diet, as true deficiency is rare due to the vitamin's presence in many foods and production by gut bacteria. There are limited and mostly anecdotal reports of improvements in skin from biotin supplementation in otherwise healthy people. Overall, while biotin is essential for skin health, the scientific justification for supplementation in non-deficient individuals is weak.

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Other body systems supported by biotin

Hair
Nails
Skin

Products containing biotin

Health Concerns

Brands

Evidence supporting the use of: Biotin
For the body system: Skin

Table of Contents

Synopsis

Other ingredients that support Skin

Other body systems supported by biotin

Products containing biotin

Health Concerns

Brands

Evidence supporting the use of: BiotinFor the body system: Skin

Table of Contents

Synopsis

Other ingredients that support Skin

Other body systems supported by biotin

Products containing biotin

Evidence supporting the use of: Biotin
For the body system: Skin