The balanced conclusion: optimizing B12 is a high-upside, low-risk move for anyone with low or low-normal levels and mood symptoms
While B12 is involved in energy metabolism, scientific evidence supporting B12 injections for weight loss is limited
[1] [3] Some users report subjective improvement in energy levels with sublingual B12, though this may reflect placebo effects or the psychological benefit of a different administration route
They tested these inhibitors in cell and animal models. They reported changes in intracellular nicotinamide-related metabolites and examined the biological effects of NNMT inhibition under experimental conditions. These outcomes have increased scientific interest in NNMT biology
This can be particularly helpful if your diet doesn't include many B12-rich foods, such as meat, fish, eggs or dairy
Most commercial product is sold and used as oral capsules/powder rather than reconstituted