Questions & answers
Who can purchase from Horizon Research Peptides?+
Products are supplied only to qualified researchers, laboratories, and institutions. By purchasing, you certify that you are 21 or older and that materials will be used for laboratory research and development only.
Are these products for human or animal use?+
No. All products are strictly Research Use Only (RUO). They are not intended for human or animal consumption, diagnostic, therapeutic, preventative, or clinical use.
What is the purity specification?+
All peptides meet a minimum specification of ≥99% purity, verified by reversed-phase HPLC and mass spectrometry.
Do you provide a Certificate of Analysis?+
Yes. Institutional purchasers may request a lot-specific Certificate of Analysis by contacting our team.
How should products be stored?+
Store lyophilized material at −20°C or colder for long-term storage. Follow standard institutional biosafety and chemical hygiene practices.
How long does shipping take?+
Domestic orders typically ship within 1–2 business days. Delivery times vary by destination. See the Shipping page for details.
What is your return policy?+
Because our products are research chemicals sensitive to storage and handling, all sales are final once the shipment has been dispatched. Contact us within 48 hours if a shipment arrives damaged.
How does the HORIZON40 code work?+
First-time researchers may apply the code HORIZON40 at checkout for 40% off their first order.