Unlike other vitamins the body does not synthesize B12 on its own, on the contrary, it obtains the vitamin from animal sources such as red meat, fish, milk, and eggs
Heres how B12 shots can improve your well-being
Every batch is third-party tested in the USA, with Certificates of Analysis (COAs) readily available for verification, giving researchers confidence in their work
A color change within the same vial over time is different and concerning
Additionally, professional athletes should verify anti-doping rules before considering use
Without intrinsic factor, oral supplements won't work, making injectable B12 for humans often necessary