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Biotin
Established research area
A water-soluble B vitamin (B7) involved in the metabolism of fats, carbohydrates, and protein. Found in eggs, nuts, seeds, and salmon.
Often discussed in relation to
Commonly noted
- Commonly noted
- Biotin (vitamin B7) is a water-soluble vitamin the body uses in the metabolism of fats, carbohydrates, and protein; eggs, nuts, seeds, salmon, and sweet potato are common sources.
- Low intake
- A biotin shortfall is uncommon and is commonly discussed in relation to thinning hair and a scaly skin rash.
- Higher intake
- Biotin from food and supplements has not been shown to cause harm, and no upper intake level has been set; note that high biotin intake can interfere with the accuracy of some laboratory blood tests.
Source: NIH ODS
Reference intakes
General reference figures for a typical adult, not a personal target.
- aiadult30 mcgDRI/NASEM
Foods and products containing it
Eggs
Sunflower seeds
Peanuts
Sweet potato
SalmonWorth knowing
High biotin intake can interfere with some laboratory blood tests; this is commonly discussed with a professional before testing.