The technique is learnable, but the decisions around it (do you actually need it, what dose, how often, and is something else being missed) are medical judgements, and getting them wrong carries real cost
The best result was a modest 2.6 kilograms in a short trial, and that result did not hold up in the larger, longer study designed to confirm it
She reported no drop in energy over several months
Because B12 is water-soluble, there is no toxicity
It has always been a very small price to pay in the grand scheme of things
Some of its key functions include energy production, aiding in the creation of new DNA strands, and supporting the breakdown of homocysteine, an amino acid that can potentially increase the risk of cardiovascular disease when elevated