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Each compound carries an evidence tier (preclinical → approved) and, where available, a clinical phase. These summarise the published literature for reference only and are not clinical guidance.

Some are studied together to target complementary pathways. Avoid duplicating a compound that already appears in a blend, and check each dossier's do-not-combine list for documented interactions.

Route of administration varies by compound — most commonly subcutaneous, with some intranasal or topical. Check each product's dossier. All Pepnerd materials are for in-vitro research use only and are not for human or veterinary use.

Yes — every batch ships with a Certificate of Analysis. You can also send any order for independent testing and share the results for a free vial on your next order.