Yes many products are formulated to be non-irritating and fragrance-free
Look for HPLC-MS verification showing greater than 98% purity (preferably 99%+) and endotoxin testing confirming bacterial contamination levels below safe thresholds
10.1523/JNEUROSCI.1365-09.2009 Summary Keywords NMDA receptors, GluN2B, GSH metabolism, gamma-Glu-Glu, partial effect Citation Sebih F, Mokrane N, Fontanel P, Kayatekin M, Kaabeche M, Guiramand J, Cohen-Solal C, Cens T, Rousset M, Charnet P, De Jsus Ferreira M-C, Thibaud J-B, Mnard C, Cantel S, Rolland V, Vignes M and Roussel J (2022) The Glutathione Metabolite -Glutamyl-Glutamate Partially Activates Glutamate NMDA Receptors in Central Neurons With Higher Efficacy for GluN2B-Containing Receptors
GLP-1 receptor agonists have shown promise in managing PCOS symptoms over the long term
Because the drugs work in different ways, Ozempic won't replace metformin entirely