glutathione synthetase gene Impaired Synthesis in Neurodegeneration Glutathione synthetase - Wikipedia
Description
Glutathione S-transferase polymorphisms (GSTM1, GSTT1 and GSTP1) and their susceptibility to renal cell carcinoma: an evidence-based meta-analysis
For example, some peptides stimulate the release of growth hormones, while others focus on improving the bodys ability to burn fat or repair tissue

Furthermore, research continues to explore its impact on brain health

For the whole back story, theres an excellent Mashable summary here

Prog Neuropsychopharmacol Biol Psychiatry 30:969995 Young RC, Biggs JT, Ziegler VE, Meyer DA (1978) A rating scale for mania: reliability, validity and sensitivity