b12 injection makes me sleepy Is it normal to feel tired after injection? Extreme tiredness after B12 inject...

Yes and this is one of the most common reasons patients come to Sacramento Naturopathic Medical Center for B12 injections

This period establishes the gene expression changes that drive collagen synthesis, inflammation reduction, and tissue remodeling

For example, adding B12 to other B vitamins helps those with complex nutritional deficiencies

Experts do not recommend this site for self-administrated injections

Injecting the same spot repeatedly causes lipodystrophy localized fat loss or scarring at the injection site

Uncoupling insulin signalling by serine/threonine phosphorylation: a molecular basis for insulin resistance