Every lot independently verified Complimentary shipping on orders $150+

Seattle Peptide Supply

Frequently asked questions

Answers about shipping, same-day Seattle delivery, returns, ordering, consultations, payments, and products.

No. All products sold by Seattle Peptide Supply are intended strictly for laboratory and research use only. They are not FDA-approved for human consumption, diagnosis, treatment, or prevention of any disease.

Yes. Orders placed before 1:00 PM local time for Seattle metro ZIP codes are eligible for same-day delivery. You will see eligibility at checkout based on your shipping address.

Most U.S. orders ship within 1 business day via tracked carriers. Standard delivery is 2–5 business days depending on destination. Expedited options are available at checkout.

Unopened products in original packaging may be eligible for return within 14 days of delivery. Due to the nature of research materials, opened vials cannot be returned. Contact support to initiate a return authorization.

Browse the Shop, add products to your cart, and complete checkout with a secure payment method. Create an account to track orders, save wishlists, and access order history.

Yes. On the Shop page, use the compare feature to evaluate purity, size, price, and category side by side before adding items to your cart.
 
Orders are packed in professional, protective materials. Temperature-sensitive items may include cold packs when required. Outer packaging is unmarked for privacy.
Yes. Research lots ship with third-party testing documentation confirming identity and purity where applicable. COAs can also be requested by lot number from your account or support.