Other ingredients: purified water, vegetable glycerin, citric acid, natural flavor, potassium sorbate (preservative), sodium benzoate (preservative), xanthan gum.
Warnings: warning: if you are pregnant, nursing, taking any medications, have any medical condition or are planning to undergo lab testing, consult your doctor before use. Biotin may interfere with lab tests. If outer seal is damaged or missing, do not use. Store unopened container in a cool, dry place. For optimum freshness, and use within 1 year note, product may solidify when refrigerated.