vitamin b12 im injection frequency CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Vitamin B12 Injections: Ideal Dosage
Description
B-complex supplements often provide stronger benefits for those battling stress or fatigue compared to taking B12 on its own

Past Covid patients on adverse reaction sites I follow seem to have more trouble with s/e due to their immune systems already being fully ready to defend against Covid

For non-vegetarians, it's easy to meet the B12 requirement

First, the conversion of methylmalonyl-coenzyme A to succinylcholine coenzyme A, by methylmalonyl-CoA mutase, with adenosyl B12 as a co-factor
