Biotin
This is what the ingredient is.
Biotin (Vitamin B7) is a water-soluble B vitamin essential for metabolism of fats, carbohydrates, and proteins.
Here is why it shows up on the label.
It works as a nutrient. Found in eggs, nuts, meat; added to supplements and some fortified foods.
Here is what food agencies say.
US agencies treat it as an essential nutrient. No UL established due to low toxicity risk.
Here is what research has found.
Essential for enzyme function. Deficiency rare. Popular in hair/nail supplements but evidence for benefits in non-deficient individuals is limited.
Here are a few things worth knowing.
High-dose supplements can interfere with certain lab tests (thyroid, troponin). Inform healthcare providers of supplement use.
Sources
- FDA
- NIH ODS
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.