the effects were additive, not redundant
Having the shot directly in to the muscle allows the liquid vitamin to enter the blood stream quickly, bypassing the digestive system and the gastric acids and many other obstacles anything which is taken via the mouth has to go through to reach the small intestine, for re absorption
No validated human dose, half-life or safety programme was identified
In my free time I enjoy hanging out with my exotic short-hair cat, Mojo, reading, doing yoga, and shopping
How often you need the vitamin B12 dosage depends on the deficiency level and whether you are anemic
Urva S, Coskun T, Loh MT, et al