They require clinic visits, they cost more, and they don't offer a meaningful advantage over high-dose oral supplementation when absorption isn't the problem
Nishijima titled Efficacy of Gastric Lavage in Acute Alcohol Poisoning, published in the Journal of Clinical Toxicology (2017), early gastric lavage improved short-term outcomes in 15% of cases when administered within 3060 minutes
In other words, it is the most readily absorbed form of the vitamin and it remains in the body for a longer period of time and at higher levels than cyanocobalamin, which means that your body is supplied with vitamin B12 longer
Whether they collectively support the competitive positioning language of "most effective" is something each consumer will need to weigh alongside their own research, their healthcare provider's guidance, and their individual priorities
During the initial patient consultation, one of our providers covers the four degradation factors and answers storage questions specific to the patients home environment, including South Florida-specific considerations like power outage protocols during hurricane season (for patients with large kit inventories) and how to handle vials during outdoor activities in the Miami heat