Its copper also supports lysyl oxidase, the enzyme that cross-links new collagen fibers and gives the matrix strength (gene regulation, tissue clearing, and collagen cross-linking)
Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (ingestion of corrosives, extensive neoplasia), and a number of conditions associated with a variable degree of gastric atrophy (such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy)
The list below reflects how the published rodent studies were set up and what is known about NNMT in human biology
Elevated NAD Levels: Fuels mitochondrial function, DNA repair, and cellular resilience (Kannt & Pfenninger, Frontiers in Physiology )
Certain people are at greater risk for deficiency because of things like diet, lifestyle, and prescription medications