whats b12 injection good for Vitamin A Vitamin B12 is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Performance Enhancing Hormone Doping B12 Shot Style:Package of Six

whats b12 injection good for Vitamin A Vitamin B12 is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Performance Enhancing Hormone Doping B12 Shot Style:Package of Six

Performance Enhancing Hormone Doping in Sport - Endotext - NCBI Bookshelf

An empty mouth is ideal because food residue can interfere with mucosal contact, so take it before a meal or at least 30 minutes after

B12 Shot

Style:Package of Six

If B12 blood levels and MMA are both high, a functional B12 deficiency could be preventing B12 being useful at cell/tissue level