b12 injections intramuscular or subcutaneous Compounded Cyanocobalamin (Vitamin B12) Injection Best Vitamin B12 Injection Sites

Toxic effects can be severe and can possibly lead to death

Not all supplements are created equal, and it is best to consult with a sports dietitian before taking a sports or nutritional supplement

The injection itself takes just a few minutes, making it a quick and convenient treatment option

Those who accept that this is a supportive tool not a magic bullet and are willing to pay for clinician supervision, quality sourcing, lab monitoring

All controlled studies referenced below were conducted in cell culture (3T3-L1 adipocytes, primary muscle stem cells) or rodent models (diet-induced obese mice, aged C57BL/6J mice)