Overall, if you are deficient in vitamin B-12, then these injections are going to help you raise your blood levels, and improve your overall health
NAD+ is the primary metabolic add-on for KLOW because collagen and tissue remodeling are energy-intensive: repair cells need NAD+ to produce energy, repair DNA, and keep building new tissue
( 8 ) Injection vs
Diet, supplements (e.g., niacin, NR), and exercise help, but may not suffice post-40 due to inefficiency and depletion.[18][19] Oral precursors like NMN increase NAD+ but bioavailability varies
Some GPs may incorrectly believe that only patients with a definite diagnosis of PA, those with a positive intrinsic factor antibody test, require treatment for life so seem to be using this as their treatment exclusion criteria