how b12 injection works What Are Injections? And Are They Safe? Best Vitamin B12 Injection Sites:
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The honest catch, because Im not going to skip it: its rats, not humans

Avoid them
doi: 10.1016/j.jhep.2008.12.031 112 TranAAPrasadV

For severe deficiency, clinicians typically prescribe loading doses daily or every other day for one to two weeks followed by monthly maintenance injections

New Vitamin B12 Test Who should get tested for vitamin B12 (cobalamin) deficiency, and which is the best test

Primers 3 (1), 120
