Purchase Qty. Reference FOB Price
50-999 g US$2.60
1,000+ g US$2.00
Product Description
Your nootropics raw materials one-stop shop! Vitamin B12 Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. ...