substitute for b12 injection Sublingual vs. B12 Injections: Which Option Is Right You? – WhyNotNatural Nurokind gold injection: Substitute for

This is key for those with vitamin B12 deficiencies

The Many Faces of Vitamin B12: Catalysis by Cobalamin-Dependent Enzymes

For suspected macro-B12, precipitation with PEG is the test most often reached for, though it is nonspecific and can remove B12 that is fully available to cells, so direct measurement of the binding proteins, haptocorrin and transcobalamin, may be more informative when it is available

Stuart MC, Kouimtzi M, Hill SR (eds.)

Understanding its central role (amongst many things) in the Krebs cycle particular wrt to succinly CoA and energy production explains why so many people feel better after injection