is b12 injection better than oral Vitamin Injections: Good or Bad? Oral vs. Intramuscular Vitamin B12

Weeks 46 in informal reports : some community accounts describe early waist or body-fat changes, but other causes cannot be ruled out

Advertising on our site helps support our mission

Vitamin B12 injections are generally safe when administered by qualified professionals

Published human trials mainly studied oral and intravenous forms, so subcutaneous amounts come from community practice rather than an approved clinical protocol

This method injects the vitamin into a muscle, usually in the deltoid or gluteal area

NNMT is an enzyme that converts nicotinamide to N-methylnicotinamide, consuming methyl groups and potentially reducing NAD+ availability