is b12 injection better than oral Injections: Are they more effective supplements? B12 Injections vs Oral Supplements:

Oral administration introduces too many variables: fed vs fasted state, gut transit time, individual differences in hepatic enzyme expression, co-administration of CYP3A4 inhibitors or inducers

This medication is a synthetic form of vitamin B12, which is essential for the production of red blood cells and the proper functioning of the nervous system

It targets and inhibits the activity of an enzyme known as NNMT, which has been linked to a slowdown in metabolism and a reduction in energy production

For vegans and vegetarians, dietary limitations can lead to insufficient B12 intake, as it is predominantly found in animal-based foods