Frequently asked
questions

Browse the collection, pick your size, and add items to the cart. When you are ready, open the cart and send your order via WhatsApp or Telegram. We confirm availability and send payment details — usually within a few hours.

On a computer, the cart buttons open WhatsApp or Telegram in your browser — you do not need the phone apps installed. WhatsApp Web (web.whatsapp.com) works after you link your phone once via QR code. Telegram Web (web.telegram.org) works in any browser with a free account. If you would rather not use either, email your order details to help@zelopeps.com and we will reply with availability and payment details.

Bank transfer, Monzo, Revolut, and cryptocurrency via our secure crypto checkout. WhatsApp and Telegram orders are confirmed manually with payment details we send you. Payment must be received in full before we dispatch. We do not take card payments on the website.

Orders paid and confirmed before 2 PM on a working day are dispatched the same day, subject to stock. We ship via Royal Mail. Once your parcel is handed to Royal Mail, UK delivery usually arrives the next working day.

Orders over £150 qualify for free shipping. Below that, rates vary by country — from £5 for UK nations (England, Scotland, Wales, Northern Ireland) up to £15 for most of Europe. You will see the total in your cart before you checkout.

Yes. Orders ship in plain packaging with no product names on the outside. Tracking is sent once your parcel is handed to Royal Mail.

Every batch is tested by independent labs including Janoshik Analytical. COAs are available on request — message us on WhatsApp or Telegram with the product and we will send the matching report.

No. All compounds are supplied strictly for laboratory and in-vitro research. They are not for human or animal consumption. By ordering you confirm you understand this.

Add a code in the cart before checkout — partner codes or FIRSTORDER for 10% off your first order. Multi-vial, bulk, and codes don’t stack — we apply whichever saves you most.

Contact us within 48 hours of delivery with photos. We will arrange a replacement or refund at our discretion. Opened or used vials cannot be returned.

Lyophilized peptides should be kept cool, dry, and away from light — typically refrigerated or frozen for longer storage. After reconstitution, store in the fridge and use within the timeframe appropriate for your research protocol.

Use our reconstitution calculator under Calculator in the menu. Enter vial size, bacteriostatic water volume, and target dose to work out concentration and syringe units. For laboratory planning only.

Message us on WhatsApp (+44 7418 357232) or Telegram @ZeloPeps, or email help@zelopeps.com. We typically reply within a few hours.