Min. Order Reference FOB Price
1 gram US$1.00-5.00 / gram
Product Description
Factory API Vitamin B12 Cyanocobalamin Powder CAS 68-19-9 Detailed Photos Product Description Vitamin B12, also known as cobalamin, is the only vitamin containing metallic elements. Vitamin B12 is synthesized by microorganisms in nature. Higher plants and animals cannot produce vitamin ...