A deficiency of vitamin B12 is fairly difficult to diagnose and there are quite a few variables that can lead to the deficiency or just not quite having enough of it regularly, so injections of vitamin B12 can benefit quite a few people who suffer from symptoms including brain fog, fatigue, lethargy, feelings of depression, tingling in their hands or feet, dizziness, and memory loss
The standard dosage range of 50-150 mg daily for oral administration aligns with calculated human equivalent doses from animal research
individual needs and results vary
In one program, a separate NNMT inhibitor reduced 1-methylnicotinamide levels and improved insulin sensitivity and glucose tolerance in DIO mice, with these effects absent in NNMT-knockout animals
It is not a peptide in the traditional sense but is commonly grouped with research peptides in the metabolic optimization space