does b12 have to be an injection Vitamin A Vitamin B12 is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Size:25 Grams Vitamin B12—Multifaceted In Vivo free-tin

does b12 have to be an injection Vitamin A Vitamin B12 is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Size:25 Grams Vitamin B12—Multifaceted In Vivo free-tin

Vitamin B12—Multifaceted In Vivo Functions and In Vitro Applications - PMC

Some patients are unable to break down the protein to absorb vitamin B12 into the bloodstream while others are at risk for low levels of B12 because the food consumed doesn’t contain high enough amounts of B12, such as vegetarians or vegans

free-tin

Size:25 Grams

In those cases the clinical decision depends on the full picture, GI history, dietary pattern, symptom duration, and whether a therapeutic trial of injections is appropriate before committing to a long-term protocol