animal studies suggest it may support healing of gastric ulcers and damaged intestinal lining Preclinical models suggest it may help modulate inflammation, though this has not been established in controlled human trials Known risks and side effects: Because it is sold as an unregulated research chemical rather than a manufactured pharmaceutical, product purity and dosing accuracy cannot be verified, and the FDA has flagged potential impurities and manufacturing-quality concerns FDA's Category 2 determination specifically cited potential immune reactions and hypersensitivity as a safety concern User-reported (non-clinical-trial) effects include injection-site irritation, redness, or swelling, along with occasional headache, nausea, or lightheadedness, based on anecdotal reporting rather than controlled studies No long-term human safety data exists

For a deeper dive into the clinical background, the National Center for Biotechnology Information (NCBI) provides extensive literature on its mechanisms
Do mic b12 injections work for weight loss
2016 May;23(5):461-7
Dysautonomia and POTS: The active Vitamin B6 (P-5-P) in the formula is required to synthesize GABA, an inhibitory neurotransmitter that helps calm the overactive sympathetic nervous system, potentially easing the rapid heart rate and adrenaline surges associated with dysautonomia