US$ 24.20
is b12 injection safe in pregnancy are injections during The Advantages of B12 Injections Versus Oral Supplements: Shawn Veiseh Oral vs. Intramuscular Vitamin B12
Description
Common Scenarios : Frequently used in routine B12 injections for maintenance therapy or for initial loading doses in patients with B12 deficiency

I worry about that as well

This analysis excluded trials in those with end-stage renal disease, who are at high risk of cardiovascular events and mortality

Its cost-effective, which is why its widely used, but your body has to convert it into an active form it can use
The Journal of endocrinology , 165 (3), 569577.

Advance only a few millimetres after tissue penetration
