b12 injection vial Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL MIC B12 from Fitish RX Vitamin B12, Cyanocobalamin, Injection, 1000mcg/mL,

For some patients, especially those who have trouble absorbing B12 from food, injections may be recommended

Maybe the perceived benefits are actually attributable to dead lifts, or protein shakes, or a good nights sleep

Oncotarget (2017) 8(65):10841829

They are particularly beneficial for vegetarians and vegans (since B12 is found primarily in animal products), older adults with reduced absorption capacity, individuals with digestive conditions such as Crohn's disease or celiac disease, and anyone who has had gastric bypass surgery

Supports overall systemic recovery and adaptability

They were also more likely to show changes in other male hormones and reduced sperm counts