how long for b12 injection to kick in Does It Take Injections Work? How Long Does It Take
Description
Most of the product licences, or marketing authorities as they are called in the UK, for hydroxocobalamin date from the 1990s when the requirement for evidence was different than it is now
Doctors often recommend B12 injections for folks who have a true deficiency or trouble absorbing B12 naturally, not just for energy or weight goals
Subcutaneous use is uncommon and dose-limited
(85 g) provides 93% of the DV (22,27)
American Journal of Clinical Nutrition, 115(4), 787-789
