This bypasses the GI tract entirely, which is the whole point: it's designed for people whose digestive system can't absorb B12 reliably
The kinetics of 13 C labeling of brain amino acids from 13 C-labeled precursors (glucose/acetate) is useful to estimate the rates of synthesis and catabolism, and thus offer a measurement of neuroenergetics in a given brain region
However, in administrative data, coding errors may occur and comorbidities often not relevant to reimbursement, such as obesity, are possibly underreported
In January 2025, you said that the new diabetes and weight-loss medications called GLP-1 drugs appeared to reduce the risk of many major diseases, by reducing inflammation
So I said, okay, there is no way on earth I'll be able to make a product that your body can use it up