contraindications of b12 injections Common Mistakes in to Avoid Methylcobalamin Injection (Vitamin B12) |

That's not a failure of B12 that's how targeted nutrition works

Specifically, adding 5-amino-1mq (30 M and above) to C2C12 myoblast cultures (a common in vitro myoblast model) markedly upregulates the expression of myogenic marker genes, including myosin heavy chain (MyHC), actin, and myogenin (MyoG)

I also have plenty of eggs

This depends on their health, how well they absorb the vitamin, and their lifestyle

Enhanced Mitochondrial Biogenesis : Explored for the activation of PGC-1 via SIRT1, leading to superior cellular respiration and energy production

B12 injections are very safe when administered by licensed professionals