Independent third-party testing (e.g., Finnrick reports referenced on PepPal supplier pages) has shown variable purity, residual solvents, and endotoxin contamination across grey-market suppliers
Epitalon is also found to be associated with enhancing sleep quality and maintaining hormonal balance
Human data: No human clinical trials have been conducted or published
Verify Purity and Testing: Request COAs from the seller
Corticosteroids, methotrexate, mycophenolate, biologics (anti-TNF agents, anti-IL-6 agents, anti-CD20 agents), and JAK inhibitors each have specific mechanisms that could interact with peptide effects
Different peptides have different structures, and their unique sequence of amino acids determines their functionwhether thats regenerating tissue or balancing your hormones