"Arginate" refers to the arginine salt form that wraps around those fifteen amino acids, shielding them from enzymatic breakdown, improving their solubility, and dramatically increasing how much of the peptide actually reaches systemic circulation when taken orally
A couple of 'things'': it is possible to have anaemia and haemochromotis at the same time (though you don't have a low Hb), there are conditions called iron out of balance and functional iron deficiency (associated with low or dropping ferritin), which can be caused by autoimmune disease, PA, absorption problems, coeliac disease, absorption problems and issues to do with gene mutations (HFE gene, mutations C282Y, H63D, and S65C) - and many other things as well
This minimum requirement becomes the de facto standard
For example, a 10 mg vial with 1 mL of water gives 10 mg/mL
The question: does sustained elevation of intracellular NAD+ via NNMT inhibition produce the same long-term benefits as NAD+ precursor supplementation (like nicotinamide riboside or NMN), or are there trade-offs we haven't identified yet