Here's a few studies on both for reference: Sarcosine: https://pubchem.ncbi.nlm.nih.gov/compound/Sarcosine https://pubchem.ncbi.nlm.nih.gov/compound/Sarcosine

Here's a few studies on both for reference: Sarcosine: https://pubchem.ncbi.nlm.nih.gov/compound/Sarcosine https://pubchem.ncbi.nlm.nih.gov/compound/Sarcosine The NMDA Receptor and Schizophrenia: From Pathophysiology to Treatment https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5518924/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5518924/ Efficacy and cognitive effect of sarcosine (N-methylglycine) in patients with schizophrenia: A systematic review and meta-analysis of double-blind randomised controlled trials https://pubmed.ncbi.nlm.nih.gov/32122256/ https://pubmed.ncbi.nlm.nih.gov/32122256/ Two grams of sarcosine in schizophrenia - is it too much? A potential role of glutamate-serotonin interaction https://pubmed.ncbi.nlm.nih.gov/24523591/ https://pubmed.ncbi.nlm.nih.gov/24523591/ BPC-157: Pentadecapeptide BPC 157 and the central nervous system https://journals.lww.com/nrronline/Fulltext/2022/03000/Pentadecapeptide_BPC_157_and_the_central_nervous.3.aspx https://journals.lww.com/nrronline/Fulltext/2022/03000/Penta... Brain-gut Axis and Pentadecapeptide BPC 157: Theoretical and Practical Implications https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5333585/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5333585/ A novel pentadecapeptide, BPC 157, blocks the stereotypy produced acutely by amphetamine and the development of haloperidol-induced supersensitivity to amphetamine https://pubmed.ncbi.nlm.nih.gov/9547930/ https://pubmed.ncbi.nlm.nih.gov/9547930/ BPC 157, L-NAME, L-Arginine, NO-Relation, in the Suited Rat Ketamine Models Resembling "Negative-Like" Symptoms of Schizophrenia https://pubmed.ncbi.nlm.nih.gov/35884767/ https://pubmed.ncbi.nlm.nih.gov/35884767/ Gastric pentadecapeptide BPC 157 effective against serotonin syndrome in rats https://pubmed.ncbi.nlm.nih.gov/15840402/ https://pubmed.ncbi.nlm.nih.gov/15840402/ Pentadecapeptide BPC 157 attenuates chronic amphetamine-induced behavior disturbances https://pubmed.ncbi.nlm.nih.gov/11978191/ https://pubmed.ncbi.nlm.nih.gov/11978191/