is it normal to feel tired after a b12 injection Feeling tired, low on energy or How Soon Do You Feel

However, very high doses might cause side effects, such as: Headache Fatigue or weakness Nausea, vomiting, or diarrhea Tingling in your hands and feet If youre choosing a B12 supplement, the package may display the amount of vitamin B12 (in micrograms) as well as the percent daily value

If you notice a hard spot developing, avoid that area entirely for at least 4-6 weeks

Vitamin B12 (Cyanocobalamin): Vital for red blood cell formation and neurological health

This is a very safe industry, Thiersch said

In these cases, says Barrient, B12 supplementationeither orally or with injectionsmay help improve symptoms like fatigue, mood changes, weakness, and memory loss