injection of vitamin b12 at a Licensed Pharmacy Cyanocobalamin (B12) Injection 1000 mcg/mL,

No, there is no evidence that B12 injections increase energy in individuals with normal B12 levels

Concurrent medications (metformin, PPIs, antibiotics) and underlying gastrointestinal conditions may cause diarrhoea coinciding with B12 supplementation

Again, this is very personal and can vary for each individual

S-Adenosylmethionine and methylation

Benefits of B12 injections include the following: Might Reduce Depression, Cognitive Decline and Dementia: Some studies show that, especially in older people, supplementing with vitamin B12 can help prevent depression, restore better mood control and retain healthy memory/mental functioning

Originally ordered the fit shot and that somehow did not agree with me