Genuine Stacker B12 Extreme Energy 4/Card (Lot of 6 Cards)= 24 Capsules B12 24
Genuine Stacker 2 B12. B12 also supports the formation of red blood cells, which carry oxygen from the lungs to the rest of the body. Vitamin B12 is a water-soluble vitamin which performs a key role in regulating the brain and nervous system.