A Doctor-Reviewed Answer Glutathione is produced naturally in the liver and other tissues and is found in nearly every cell
[7] [8] Hepatic impairment is another important consideration
Conservative dosing, interval monitoring, clear stopping criteria, and documentation rigorous enough that the data contributes to the evidence base rather than just adding another anecdote
Some people are far more likely to run low on B12: Vegans and vegetarians, since B12 comes mainly from animal foods Older adults, because we absorb B12 less efficiently with age People with Crohn's, celiac, or other digestive conditions Anyone who has had gastric bypass or bowel surgery People taking metformin, antacids, or acid reducers long term Heavy alcohol users How B12 injections support weight loss Here is the honest version: B12 is not a fat-burning drug, and a shot will not melt away pounds on its own
Reconstitution volume and concentration More water lowers concentration and raises draw volume