what size needle for vitamin b12 injection do you use what size needle do you use for a b12 injection What syringe volume and needle gauge Is It Okay To Use

Anaphylactic shock and death have been reported with administration of parenteral vitamin B12 (see WARNINGS)

Fortin JL, Baud FJ, Astier A, Barriot P, Lecarpentier Y

IM injections are delivered into a large muscle group, typically the thigh, gluteal muscle, or upper arm, and are absorbed over a period of minutes to hours

For others, it may take a week or two to notice significant improvements

Here's something the internet won't tell you when it sells you research-grade powder: with an unregulated compound, what's in the bottle matters as much as the molecule itself

The safest response is to raise it with your GP or haematologist, who can look at your schedule, your dose and your original results together