A synthetic form of B12 is called Cyanocobalamin. Cyanocobalamin 500 mcg B12 is used to treat and prevent anemia caused by a vitamin B12 deficiency. The Cyanocobalamin B12 vitamin aids in the production of new protein and the utilization of fat and carbs as fuel by your body. Vitamin B12 supports the growth of new red blood cells and the synthesis of DNA, brain functioning and meta... https://www.yourmuscleshop.to/product/cyanocobalamin-vitamin-b12-injection-500-mcg-ml-laborate-pharmaceuticals/