what is more effective b12 injections or pills Injections: Are they than supplements? Getting The Best Out Of
Description
Age, digestive conditions, certain medications, and even long-term stress can interfere
Anecdotal reports of subcutaneous use exist, but no formal stability, bioavailability, or safety data supports this route
Some of the neurological complications result from defective myelin synthesis and repair, and not all are reversible
Last reviewed: May 28, 2026 Last updated: May 28, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
