b12 injection how much Vitamin Injections: What You Need To Know This prescription form of Cyanocobalamin has 1000 mcg/m Cyanocobalamin (B12) Injection - Wells

Doctors usually give it as a course, not just once

Adverse events are usually limited to injection-site reactions: transient soreness, redness, occasional bruising

Reference: Product monograph from Cytex Pharmaceuticals Inc.

sometimes the bodys metabolic response to the vitamins can very slightly transiently lower blood pressure or blood sugar, leading to dizziness, which fluids and rest can mitigate

There is no reason to have them more regularly if your client requires it, as normally the average time between a client needing another is after 6 weeks but some people even less, after 4 weeks

This allows you to evaluate immediate effects as well as recovery