In a 10-week clinical trial, a daily dose of 20 mg oral semaglutide achieved a steady-state plasma concentration of 30 nM, and when daily dose of oral semaglutide was increased to 40 mg, the semaglutide plasma concentration reached about 60 nM (102), which was over a thousand times higher than the EC50 of semaglutide for GLP-1R activation (95)
Trends Endocrinol Metab 2020;31:410-21.ArticlePubMed 136
That distinction doesn't excuse anything - but it does mean your evaluation should be based on facts relevant to the program you're actually considering
doi: 10.1038/s41467-020-14309-w Ast J, Novak AN, Podewin T, Fine NHF, Jones B, Tomas A, Birke R, Romann K, Mathes B, Eichhorst J, Lehmann M, Linnemann AK, Hodson DJ, Broichhagen J
Some may see changes in skin pigmentation within a few days of consistent use, while others might take a few weeks to notice substantial results