does b12 have to be injected into muscle Vitamin Injection Dosage Boost Your Energy with B12

This helps reduce fatigue and boost energy levels

PMC 3328495

In most other cases a dose of 250 mcg/day may be used

Injections provide higher blood concentrations than oral supplements due to their direct route into the bloodstream which allows for greater absorption rates resulting in more effective results with fewer doses required over time compared with oral supplements

Many people suffer from B12 vitamin deficiency, especially with the growing popularity of veganism, vegetarianism, and other specialty diets and lifestyles

Because while conventional medicine tends to rely on a strict hierarchy of evidence, I think that can sometimes be a bit well sluggish