Frequently Asked Questions

All products sold by Pure Source Supply are intended strictly for in-vitro laboratory research and analytical purposes only. They are not intended for human consumption, veterinary use, or any non-research application. By purchasing, you acknowledge that you will use products solely for legitimate research purposes.

Yes. Every product we sell is tested by an independent third-party laboratory, and a Certificate of Analysis (COA) is available for each batch. COAs include purity verification via HPLC analysis. You can find COAs on the individual product pages, or contact us if you need a specific COA for your records.

For long-term storage, peptides should be stored at -20°C in a freezer. Lyophilized (freeze-dried) peptides are generally stable at room temperature for short periods during transit and handling. Once reconstituted, peptides should be refrigerated or frozen and used within a reasonable timeframe. Always store peptides in a dry environment away from direct sunlight.

We accept cryptocurrency payments through Coinbase Commerce (Bitcoin, Ethereum, Litecoin, and other supported cryptocurrencies), as well as Venmo and CashApp. All prices are listed in USD. Payment must be confirmed before orders are processed.

At this time, we ship within the United States only. We do not offer international shipping. We also do not ship to PO Boxes. Please provide a valid physical street address for delivery.

Orders are processed within 1–2 business days after payment is confirmed. All shipments are sent via USPS Priority Mail with an estimated delivery time of 2–4 business days. You will receive a tracking number via email within 24 hours of your order being shipped.

Yes. All orders are shipped in plain, unbranded packaging with no external markings indicating the contents or the nature of the products. We prioritize your privacy with every shipment.

All sales are final due to the nature of our products. However, we do make exceptions for items damaged during transit, wrong products received, or packages confirmed lost by USPS. Claims must be submitted within 48 hours of delivery by emailing support@puresourcesupply.com with your order number, a description of the issue, and photographs where applicable.

Yes, we offer discounted pricing for bulk orders of 10 or more units. Please contact us at support@puresourcesupply.com with details about the products and quantities you are interested in, and we will provide a custom quote.

You must be at least 21 years of age to purchase from Pure Source Supply. At checkout, you will be required to acknowledge that all products are being purchased for legitimate research purposes only. We do not require institutional affiliation, but all buyers must agree to our Research Use Disclaimer and Terms of Service.