b12 injection brands in california Vitamin B-12 3000 mcg Injection, 100 mL Cyanocobalamin Injection – 1000 mcg/mL
Description
If your parent takes any of these, ask their prescriber to check B12, MMA, and homocysteine levels at their next visit

The short answer is: it depends on what symptoms you have and how deficient you are

The result is a profound reduction in appetite that makes caloric deficits effortless rather than agonizing

Biothine (Vitamin H) 50 mcg
The result is reported in EU/mg on the Certificate of Analysis at cell-culture-reference acceptance limits, allowing the material to be used in sterile adipocyte and chondrocyte assays without LPS-driven confounding signals

After that time, the potency may be less (but often is not)