B12医薬品グレード

76 b12 pharmaceutical grade products are offered for sale by suppliers on Alibaba.com, of which vitamins accounts for 15%, healthcare supplements(old) accounts for 9%, and food additives accounts for 3%. A wide variety of b12 pharmaceutical grade options are available to you, such as food grade, 1.You can also choose from plastic container, glass container and mason jar b12 pharmaceutical grade,