b12 injection colour (4 Pack) Seeing Red: Do B12 Injections

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According to the USDA, Vitamin B12 deficiency is believed to be one of the most common nutrient deficiencies in the world, especially among people taking stomach acid-altering medications and antibiotics frequently, along with the elderly and sometimes vegetarians/vegans

doi: 10.1016/S2352-3018(19)30338-8 75 ClemmonsDRMillerSMamputuJC

High-dose oral therapy (10002000 micrograms daily) can be effective even in pernicious anaemia, as approximately 1% of B12 is absorbed through passive diffusion independent of intrinsic factor

The published rodent literature has not reported overt toxicity at the studied amounts, but the available data are not equivalent to a regulated Phase 1/2 safety database