Frequently Asked Questions

Find answers to common questions about our products, shipping, and research-use guidelines.

What are your typical shipping times?

Orders are processed within 1-2 business days. Standard shipping typically takes 5-7 business days for delivery within the continental US. Expedited and overnight options are also available. Please refer to our Shipping Policy for more details.

Do peptides require cold-pack shipping?

Yes, all peptides and other temperature-sensitive products are carefully packaged with cold packs to ensure their stability and integrity during transit. We recommend immediate refrigeration upon receipt for optimal storage.

Are your products safe for human consumption?

ATTENTION: All products sold by RNXresearch are for in-vitro laboratory research use only. These products are NOT intended for human consumption, diagnostic, therapeutic, or any medical use. Research chemicals are not food additives, drugs, or cosmetics. By purchasing from this site, the buyer acknowledges the hazards involved and assumes all liability for the use of these products.

How can I verify the purity of your products?

Every product comes with a Certificate of Analysis (COA) detailing its purity, verified by independent third-party laboratory testing using methods such as HPLC and Mass Spectrometry. You can request the COA for any batch.