Folic Acid Depot is a bioavailable form of folic acid (B9), in the pharmaceutical form of DEPOT tablets. BENEFITS Folic acid is an organic compound that belongs to the water-soluble B vitamin complex and is an essential component for rapid and correct cell reproduction and growth. ingredients bulking agent microcrystalline cellulose, bulking agent hydroxypropylmethylcellulose, anti-caking agent magnesium salts of fatty acids, folic acid.