glp 1 mrna A: Real-time quantitative RT-PCR analysis of GLP-1 in human Endogenous Glucagon-like Peptide-1 Receptor Signaling

(PubMed) Smith WA, Fry AC, Tschume LC, Bloomer RJ

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None were found to be IgG 1 or IgG 3 subclass, the antibody subclasses most associated with physiologic hemolytic activity

You may need to adjust dosage based on seasons and sun exposure

This hypothesis might be supported by the assumption that, contrary to severe vasculogenic ED, ED of mildmoderate degree might reflect a less extensive and/or more recently occurred vascular damage, which might be partially reversible and, therefore, more likely to respond to l-ARG supplementation, although this speculation needs objective confirmation