reduced glutathione dosage FDA highlights concerns with using dietary ingredient to compound sterile injectables L-Glutathione | Glutathione Supplement |

The most commonly reported side effects are mild and transient, including injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness, particularly when starting the peptide

In controlled trials, facial creams containing GHK-Cu outperformed vitamin C and retinoic acid creams in improving skin quality metrics

So to get back to your question, the problem with legalization is you're gonna have a bunch of people that do drugs that wouldn't do drugs normally because it's legal

DrugBank Online - BPC-157 Clinical Trials: Lists one Phase 1 trial (NCT02637284) for healthy volunteers

For laboratory and in-vitro research use only

The thicker the film, the longer it takes to absorb and the value of the Oral Disintegrating Film is depreciated as it naturally dissolves with saliva when it passes the esophagus