Stone JM, Dietrich C, Edden R, Mehta MA, De Simoni S, Reed LJ, et al
10.1016/j.phymed.2024.155407 12 CaoY.ChenX.ZhuZ.LuoZ.HaoY.YangX.et al (2024)
Nature (2000) 404(6778):66171
When injected beyond the skin barrier and into the tissues, you get the highest bioavailability of allanywhere from 90 per cent all the way up to 99 per cent
Its 3-letter sequence, Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Asn-His (31 residues as tabulated with N-terminal modification), features a single methionine that analysts should note as a potential oxidation site during method development, alongside multiple basic residues (Arg, Lys, His) that dominate its charge state envelope in positive-mode ESI-MS
105 Despite the limited number of studies, metformin has shown consistent effects in nonobese women with PCOS, whereby it improves insulin resistance and select metabolic markers, with modest and varying effects on hyperandrogenism and ovulation