Zelphalabs · Research peptides
Zelpha peptide quality.
Third-party tested. Full per-batch documentation. 1-2 day shipping.
- Purity
- >99%
- Testing
- 3rd-party
- Shipping
- 1-2 days
£7 UK delivery · free on orders over £200
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— Why Zelphalabs
Built for researchers.
We supply the same lab most of the industry uses — and we back every batch with real documentation. No filler, no guesswork.
01
Per-batch COA
Third-party HPLC results attached to every batch. Nothing ships without one.
02
>99% Purity
Verified by independent labs. No fillers, no substitutes, no shortcuts.
03
Priority shipping
Discreet, tracked, temperature-safe. Usually delivered within 1–2 days.
04
Trusted supplier
Same source used by the biggest names in research peptides.
— Reviews
What customers are saying
Real feedback on ordering, delivery, and support from Zelphalabs customers.
“Excellent service from the start! Fast response + quick delivery. Peptide received and secured in rapid time! Will definitely be back.”
— Marcus L.
“Can't rate Zelphalabs enough tbh. They actually know their stuff and don't rush you off. Replies come back quick and stuff usually lands in a day or two. Proper easy to deal with.”
— Sophie R.
“110% recommend Zelphalabs, made multiple orders and all came within the time slot given or quicker. Legit source, every batch has matched the COA.”
— Dan P.
“Honestly service is perfect, great communication throughout, never had a problem ordering. Straightforward and orders are always very quick.”
— James T.
Ready to order?
Browse the full catalog. Every product ships with its Certificate of Analysis.