b12 injection you tube Vitamin Self-Administration Vitamin B12 Injections | 5
Description
Sublingual tablets : Absorbed under the tongue for better bioavailability [*]

This simple blood test costs $20 to $50 and provides clear information about whether supplementation makes sense

(PubMed) McCaddon A

doi: 10.1016/j.cmet.2012.04.022

How to Check for Healthy B12 Levels So, if the normal B12 levels for adults and children dont mean much, then how do you actually test for B12 deficiency
