A 2020 preclinical safety evaluation (Xu et al., 2020, Regul Toxicol Pharmacol ) confirmed a favorable profile at research-relevant doses with no significant organ toxicity at tested concentrations
The typical injection, a vial of neon red liquid that resembles the dyed sugar water I put in my hummingbird feeder, contains 1,000 micrograms of B12, or in excess of 400 times more than what the average person requires
The study authors note that this effect size is similar to what is observed with many approved drug therapies, minus the side effects and costs
Do not use a vial when sterility is questionable or when its appearance differs from the product instructions, including unexpected cloudiness, particles, precipitation, or color change
High blood sugar : When there is too much sugar in the bloodstream