However, as the science surrounding aging and metabolism continues to evolve, clinicians are discovering ways to amplify and extend those benefits
Vitamin B12 is a water-soluble hematopoietic vitamin occurring in meats and animal products
A common synthetic form of the vitamin (cyanocobalamin) does not occur in nature, but is used in many pharmaceuticals, supplements and as food additive, due to its stability and lower cost
Vitamin B12 injections are generally safe, but some individuals may experience side effects, including: Pain or redness at the injection site Mild diarrhea Itching Nausea or vomiting Dizziness or headaches Hot flashes In rare cases, more serious reactions, such as allergic responses (rash, swelling, trouble breathing), can occur