vitamin b12 injection for cattle Cobalife™ VB12 Sheep and How Its Sold 100 mL or 250 mi vial Special Precautions Keep away from children and animals Vitamin B-12 Injection- 1000Mcg/Ml- 250Ml

Anecdotal reports from research subjects and biohacking communities describe body composition improvements, increased subjective energy and mental clarity, and minimal side effects, though these uncontrolled observations require cautious interpretation and cannot substitute for rigorous clinical trials

Whether this translates to humans remains unproven

Then came the larger trial

Sports performance Taking vitamin B12 as an oral supplement does not energize or improve your sports performance except in the case of vitamin B12 deficiency

The pivotal mouse study used subcutaneous injection, not oral dosing a real mismatch between the tested route and typical community/commercial use