Frequently Asked Questions

No. All products are sold exclusively for in vitro laboratory research. They are not intended for human or veterinary consumption, diagnosis, or treatment.

Our peptides are manufactured to target purities exceeding 99% where applicable. Specific purity information is provided on individual product pages.

Items are shipped within 24 hours of purchase, unless listed as a 14-day product.

No. We currently ship to UK addresses only. International orders cannot be placed through our website.

Lyophilised peptides should be stored at ≤-20°C. Once reconstituted, keep at 2–8°C and use within about 28 days. NAD+ should be kept frozen (≤-20°C) and protected from light. Sealed bacteriostatic water is stored at room temperature (20–25°C); refrigerate after opening.

Due to the nature of research chemicals, we cannot accept returns once products have been dispatched. See our Returns Policy for details on damaged or incorrect items.

We accept cryptocurrency including USDC, SOL, BTC and ETH via NOWPayments. Card payments via high-risk processors are being evaluated — contact us if you need an alternative.

Email us at info@uksterlingpeptides.com with your order reference and we will respond as soon as possible.