are b12 injections im or subq A Guide to the Best Needles for Best Vitamin B12 Injection Sites:

They told me that the more areas of my body they inject, the better, Amma said

Moreover, athletes and those with high physical demands may also consider B12 supplementation, as the vitamin plays a critical role in energy metabolism and red blood cell production

Furthermore, vitamin B12 is useful in boosting your core-strength by transporting your blood and making sure every organ receives enough to survive

I got energy back and digestion improved

However, some people have difficulty absorbing vitamin B12 from their diet, including dietary restrictions, certain medical conditions like pernicious anemia, or medications that interfere with B12 absorption