monoject needles for b12 injections on amazon Disposable Needle, 251 Poly Hub with Aluminum Insert, Vet Pack, 25 G x 5/8 in Syringe. Hypodermic Needles 18g x 1
Description
The FDA-approved injection sites include the abdomen, thigh, and upper arm

Thank you Just to update

Babault N, et al

Digestive conditions can do the same

Because it doesnt require conversion, Methyl B12 is more effective for many people especially those with genetic variations in methylation enzymes (like MTHFR)

Likewise, various prescription medications may affect B12 levels or B12 may interfere with their action
