Ashlee R.
Love this website for peps
Love this website for peps! Amazing

Onyx Research is a supplier of research-grade compounds.Our model is verification before sale. Every lot is independently tested for purity and identity, and we publish the certificate of analysis for that specific lot before it is listed for sale — so customers can check what they are buying against third-party results rather than a marketing claim. Average lot purity across our catalog is 99.4%. In-stock orders placed before the daily cutoff ship the same business day via FedEx 2-Day with tracking, in plain, unbranded, tamper-evident packaging. Wholesale accounts are available.Products are sold to customers 21+ for laboratory research only, and are not for human or animal consumption. Onyx Research is not a pharmacy or compounding facility.
Onyxresearch (onyxresearch.shop) has 227 customer reviews on Five Star Index, with an average rating of 4.2 out of 5.
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Personal Care · Orlando, Florida
Excellent

Personal Care · Grants Pass, Oregon
Excellent

Personal Care · Great Neck, NY
Excellent

Personal Care · Costa Mesa, California
Excellent
227 approved reviews, newest moderated first
Ashlee R.
Love this website for peps! Amazing
Karina A.
Order came fast and so far loving Onyx!
Billy S.
I’ve ordered the retatrutide a few times now and ordering is so quick and easy. The product itself is high-quality and I’ve had no issues, just excellent results. Their shipping is lightning fast. Overall, a very efficient and speedy transaction for great product.
Chloe W.
Super fast shipping and great product as always. Onyx is my new go-to. Can’t beat the prices or delivery anywhere else! Excited to see how the Reta goes :)
Lily
I got my product fast & it’s working great! Love my results.
Danielle V.
So easy to order and delivery was fast. I’ll definitely order again and recommend to others.
Jason
I have made about 5 orders now and every single one has been delivered quickly without any problems. Ordering is simple and easy as well. Great product with fast results.
NYAMBURA
I ordered peptides march 2nd and have not received it. They do not respond to my queries My reference is #77321. They asked whether I wanted them to send. I said yes. They then went quiet again.
Response from OnyxresearchJul 21, 2026
Hi there, I'm very sorry that this is the experience that you've had. Please email us at [email protected] and we will be sure to make this right!