D-Biotin Type: Pure D-Biotin 97.5%~100.5% assay; D-Biotin 1% Food Grade; D-Biotin 2% Feed Grade; Appearance:White or off-white crystal powder Packing:10/25kg drums/ctns Shelf life:2 years Vitamin H D-Biotin is a kind of water-soluble Vitamin, acts as a coemore...