Frequently Asked
Questions

Research peptides are short chains of amino acids synthesised for use in controlled laboratory and pre-clinical studies. They interact with specific cellular receptors, making them invaluable tools across regenerative medicine, metabolic, cognitive, and anti-aging research.

All Simplex Peptides products are verified at 99%+ purity through independent third-party HPLC and mass spectrometry testing. A full Certificate of Analysis (CoA) is included with every order.

Yes. All products are manufactured in GMP (Good Manufacturing Practice) certified, ISO-accredited facilities ensuring consistent pharmaceutical-grade quality and safety standards at every stage of production.

Lyophilised (freeze-dried) peptides should be stored at -20°C, away from light and moisture. Once reconstituted with bacteriostatic water, store at 4°C and use within 28–30 days for optimal stability.

No. All products sold by Simplex Peptides are strictly for in-vitro and controlled laboratory research purposes only. They are not intended for human or veterinary use, and must be handled by qualified researchers.

Yes. Every order includes a full Certificate of Analysis (CoA) from an independent third-party laboratory, detailing purity, molecular weight, and batch-specific test results.

Browse our product catalogue, add items to your cart, and proceed to secure checkout. You will receive an order confirmation email immediately after purchase with your order reference and summary.

Yes. Our minimum order value is $155, which includes your product subtotal and shipping fee. This ensures your order can be properly packed, temperature-controlled, and tracked end-to-end.

Orders can be amended or cancelled within 1 hour of placement by contacting support@simplexpeptides.com. Once dispatched, we are unable to cancel orders but our returns policy will apply.

No, you can checkout as a guest. However, creating a free account lets you track orders, view full order history, receive exclusive offers, and checkout faster on future orders.

We accept Chime, Cash App, Zelle, and Apple Pay. To receive our payment details (tag or handle), simply contact us via email, WhatsApp, or Telegram after placing your order. All payments are processed securely and your information is kept strictly confidential.

Domestic orders typically arrive within 2–5 business days. International orders take 7–14 business days depending on your country. Express options may be available at checkout.

Yes, we ship to most countries worldwide. International shipping rates and estimated delivery times are calculated and shown at checkout before you confirm your order.

Absolutely. All orders are shipped in plain, unbranded packaging with no indication of contents on the outside label. We take customer privacy seriously at every step.

A tracking number is emailed to you immediately once your order is dispatched. Use this on the carrier's website to follow your parcel in real time from our facility to your door.

Yes — orders placed before 2:00 PM on business days are dispatched the same day. Orders placed after 2:00 PM or on weekends are dispatched the next business day.

We accept returns of unused, unopened items within 30 days of delivery. To initiate a return, please email returns@simplexpeptides.com with your order number and reason for return.

Contact us within 48 hours of delivery with clear photos of the damage and your order number. We will arrange a free replacement or issue a full refund at no cost to you.

Refunds are processed within 3–5 business days of receiving and inspecting your returned item. The refund will be credited to your original payment method.

Every batch is independently tested by ISO-accredited third-party laboratories using HPLC chromatography and mass spectrometry. Results are checked against our internal specifications before any product is released for sale.

High-Performance Liquid Chromatography (HPLC) is a gold-standard analytical technique used to measure the purity of a compound by separating and quantifying its components. We use HPLC alongside mass spectrometry to confirm both purity and identity.

Yes. Our manufacturing partners operate under GMP certification and are subject to regular audits by independent regulatory bodies. We maintain full traceability from raw material to finished product.