This tincture is an extract of astragalus in alcohol & purified water. Astragalus is a herbaceous perennial plant of the pea family. Contra-Indications If pregnant or breast feeding, consult your health care practitioner before using. For more information on this product contact your healthcare practitioner. This product should not be used as a substitute for a varied diet. Directions Recommended dose 10 drops per day in water or juice away from food. Do not exceed this recommended dose unless prescribed by your practitioner.