Vitamin B12 1000 mcg (100 tablets)维生素B12 | TCMshops
NOW foods B12 1000 mcg - with Folic Acid - 100 chewable tablets
Ekopura Nutrition - Ekopura Vegan Vitamin B12 is made from Methylcobalamin and Adenosylcobalamin. The two biologically active forms of vitamin B12 that the body can absorb best. The capsules are 100% natural