If your B12 deficiency is not diet-related, you'll need to take B12 injections
External resources Roles of Nicotinamide N-Methyltransferase in Obesity and Type 2 Diabetes Reduced calorie diet combined with NNMT inhibition establishes a distinct microbiome In case I do not see you, good afternoon, good evening, and good night
Another thing on the worry list (although its important you warned about this) I have low ferritin too, and I'm scared to inject
Oral supplements, on the other hand, are taken as tablets or liquids and must pass through the stomach and intestines, where absorption can be slower and weaker, especially for patients with digestive problems
Because it leaves the central GH axis untouched, research data show no meaningful disruption of glucose metabolism or elevation of systemic IGF-1 [3]
While optimizing those nutrient inputs and exercise can help support healthy NAD+ levels, for most adults, this probably wont be enough