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All authors contributed to the writing and approved the submitted version of the manuscript

A randomized, double-blind, placebo-controlled trial in 191 older adults (75 years) with moderate vitamin B 12 deficiency (serum cobalamin concentrations of 107-210 pmol/L) without anemia provided participants with 1 mg/day of cyanocobalamin for one year (94)

In corn, most nicotinic acid is bound, and the tryptophan content is low, thus making pellagra a likely outcome when corn is consumed as a staple grain without alkaline processing

Inflammation connects to ED through endothelial dysfunction and neural sensitization, as chronic inflammatory signaling through NF-kappaB and JAK-STAT pathways can damage the vascular reactivity required for erection

doi: 10.1152/ajpgi.90696.2008