glutathione selegiline Classics in Chemical Neuroscience: Selegiline,
Description
Recent work has demonstrated that proteasome activation by either genetic means or use of compounds slows down aging [50]

[14] Contamination risks: Products not supplied through regulated channels may lack quality assurance, potentially containing contaminants or incorrect dosages

Griffith OW

Redox Signal 20, 937951

That's part of their training
