Min. Order Reference FOB Price
1 g US$0.50-1.00 / g
Product Description
High quality Hair Loss Treatment Powder Biotin Vitamin H Product Description: Biotin Supplement, also known as vitamin H or coenzyme R, is a water-soluble B-vitamin (vitamin B7). It is composed of a ureido (tetrahydroimidizalone) ring fused with a tetrahydrothiophene ring. A valeric acid ...