Everything, asked and answered.
Are these peptides third-party tested?+
Every batch is HPLC and mass-spec verified by an independent US lab. CoAs are on the Lab Results page.
How is shipping handled?+
Cold-chain in insulated packaging with phase-change coolant. Free shipping over $150. Domestic delivery in 2–4 business days.
Are these for human use?+
All products are sold for research and educational purposes only. Always consult a licensed medical professional.
How should I store peptides?+
Lyophilized peptides at 2–8°C. Reconstituted vials refrigerated and used within 30 days.
Do you ship internationally?+
US-only currently. Join the Signals list for launch updates.
What is your return policy?+
Unopened products can be returned within 14 days for a full refund. Opened vials cannot be returned for safety reasons.
How do I read a Certificate of Analysis?+
Match the lot number on your vial to the corresponding row on the Lab Results page. The PDF shows identity, purity and endotoxin data.
Do you offer bulk / clinical pricing?+
Yes — email support for research and clinical pricing tiers.