b12 injection side effects pregnancy Sublingual B12 vs. B12 Injections:
Description
Cobalamin isnt produced by plants or animals but by bacteria

It is an unapproved research chemical whose human weight-loss efficacy remains unproven

Diets with low levels of protein and iron can also result in low vitamin B12 levels

The evidence is unclear or shows little to no benefit from using B12 supplementation, but more research is needed in these areas
