Bangkok orders are dispatched within 24 hours — same-day delivery available. Domestic Thailand orders arrive in 1–3 days via courier. International orders to the UK take 5–10 days; Canada 7–14 days. All orders are shipped in discreet, unmarked packaging. Tracking provided for all shipments.

Research peptides are not scheduled substances in Thailand and are not regulated under the Thai Narcotics Act or Psychotropic Substances Act. Kingdom Peptides supplies compounds strictly for scientific research purposes. Buyers are responsible for understanding the regulatory status in their own jurisdiction.

Lyophilised (freeze-dried) peptides should be stored at −20°C for long-term stability — up to 24 months under proper conditions. Once reconstituted with bacteriostatic water, store at 2–8°C (refrigerated) and use within 4 weeks. Avoid freeze-thaw cycles after reconstitution. Keep away from direct light.

Yes. Every batch is tested by independent third-party laboratories. COAs confirming purity (≥99% by HPLC) are available on request. Email us with your order number and we will provide the relevant COA for your batch.

We accept Monero (XMR) and Bitcoin (BTC) via NOWPayments — a 15% discount applies to all crypto orders. Bank transfer (BACS) is available for larger orders. Cash payment is available for Bangkok collection/delivery. Contact us to arrange.