b12 injection gone wrong Are Vitamin Shots Right for You? B12 Injections | Vitamin B12
Description
Do oral B12 supplements work as quickly as injections

But when this gene has a mutation (which roughly 2540% of the population may carry), it can slow or block this conversion

Ann Nutr Metab 2012;60:27292

As always, combination research should rest on a clear mechanistic rationale rather than simply stacking compounds

What side effects can Vitamin B12 injections cause

Some studies suggest that people with obesity may be more likely to have a vitamin B12 deficiency
