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Genetic toxicology testing (Ames test, chromosomal aberration assays, micronucleus testing) returned negative results

Unlike oral supplements, injectable vitamins are delivered directly into the bloodstream for rapid absorption

Long service life: The device maintains precise and accurate medication even after prolonged use

However, a very small percentage of B12 from a supplemental dose is absorbed by passive diffusion, rather than by intrinsic factor, such that vegans can make up for taking B12 only once per day, or even only once per week, by taking larger doses than normally provided by food

Find out what studies have shown in our article about potential health benefits and risks of drinking coffee