can you take glycine and glutathione together synthesis from glutamine; 'retro-control' by What is Glutathione? – GoldBio

Notably, in these studies, the upregulation of GPx4 has been achieved by using exogenous agents (like NVP-AUY922, Bafilomycin A1, PD151746, GsMTx4, epigallocatechin-3-gallate, total flavonoids of Engelhardia roxburghiana leaves, Lycium barbarum polysaccharide-glycoprotein, perillaldehyde, melotonin, ferulic acid, and sphingosine-1-phosphate) which either inhibit the degradation of GPx4 or increase its transcription by activating the Nrf2 [67]

Adding 2ml to a 5mg vial works but you'll inject the full vial for loading doses

There is peptide on that list, the GLP-1s, 9 are FDA approved, there are also 3 growth hormone related peptides FDA approved (Sermorelin, Tesamorelin, CJC-1295 analogs), there are some in the oncology and rare disease areas also

The studied patients were divided into 3 groups