OnyxresearchOnyx 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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Showing 39 reviews with 1 star · Clear filters
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!
Ifzaal
I don't waste time, and I don't appreciate having mine wasted. I spent £170 with this company. Delivery was fast, but the 10ml Bacteriostatic Water was missing. The packing slip literally has a handwritten "3" instead of "4"—your own team documented the mistake before shipping it out. I sent a polite email on June 12th. Followed up on June 16th. Silence. Ignoring a customer who drops triple digits on your business isn't a good look. I have the photo proof of the packing slip ready. Look up Order #198759 (May 30, 2026) and handle the refund for the missing item immediately. If this isn't resolved in 24 hours, my bank is initiating a full chargeback for the entire £170. Your move. UPDATE: The retailer has finally responded to this public review offering assistance, despite ignoring my direct emails from June 12th and June 16th. Because of the prolonged radio silence, this matter has already been escalated to NatWest. A formal bank dispute is underway with full evidence provided. I will be allowing the bank to handle the refund process directly.
Response from OnyxresearchJun 28, 2026
Hi Ifzaal, We're sorry to hear the 10ml Bacteriostatic Water was missing from Order #198759, and that your emails on June 12th and 16th went unanswered — that's not the experience we want anyone to have. We'd genuinely appreciate the opportunity to make this right. Please reach out to us directly at [email protected] with your order number and the photo of the packing slip, and we'll look into the shortage and get it resolved as quickly as possible. Thank you, Kenzie Walter Director of Customer Support Onyx Research
Sara V.
Ordered here yesterday. I paid for product + shipping. I provided contact/shipping details. Later that day I started receiving phone calls from the shipping company telling me I needed to pay an extra $110 deposit for them to ship (8:20pm and again. At 11pm). Mind you, I had just seen on their community feed that first time customers get free shipping. I was already a little nervous because I’d found some not so favorable reviews since purchasing. Once the shipping company started urgently asking me for more money for shipping, I decided I was no longer comfortable with this and requested a refund. The rep I was working with basically laughed at me and gaslit me for asking for my money back. Tried to say, oh the package I already on its way to you. How can that be if it hadn’t even been shipped yet? Also claimed that since I made my order through WhatsApp instead of telegram I had no ground to stand on for refund. Insane. Do not use these people.
Response from OnyxresearchJun 28, 2026
Hi Sara, We're sorry to hear about this experience, and we'd like to clarify how we operate. Onyx Research sells exclusively through our website, and we never phone customers to request additional deposits or extra shipping payments, nor do we take orders through WhatsApp or Telegram. The situation you've described doesn't match our process, which raises the concern that you may have been dealing with a party impersonating our brand rather than with us directly. If you placed an order with us at onyxresearch.shop, please reach out to [email protected] with your order details so we can look into it and help. We'd hate for anyone to be caught out by a third party using our name. Thank you, Kenzie Walter Director of Customer Support Onyx Research
Donte R.
Placed an order a week ago, was charged but the order was not placed and they don’t respond to any customer support emails, very sketchy
Response from OnyxresearchJun 28, 2026
Hi Donte, We're sorry for the worry here — being charged without seeing your order go through, and not hearing back from support, is understandably frustrating. We'd like to look into this for you right away. Please email us at [email protected] with the name and email used at checkout, along with the charge details if you have them, and we'll track down the payment and order status and get it sorted. Thank you, Kenzie Walter Director of Customer Support Onyx Research
Helena
Product came but haven’t received a COA and Reta is ineffective. I don’t know what I have been injecting the past weeks but it definitely wasn’t Reta. I literally got scammed and lost 250$! Wouldn’t buy from them again! Also I accidentally filled in the wrong phone number and sent them a E-Mail but they never responded. Do not trust this seller the products are definitely fake.
Response from OnyxresearchJun 28, 2026
Hi Helena, Thanks for reaching out, and we're sorry to hear you were disappointed. A couple of points that may help: all of our Certificates of Analysis are posted on our website — to find the one matching your vial, search using the batch number printed on the label, and the corresponding COA will come up. Every batch we receive also goes through rigorous third-party testing before it ships. I want to assure you that we take product quality incredibly seriously, and the compounds that we sell are exactly what they claim to be. If you'd like, send your order and batch details to [email protected] and we'll help you locate the COA and look into your concern directly. Thank you, Kenzie Walter Director of Customer Support Onyx Research
Rvwrtwelve
So they say they offer same day shipping and 2 day delivery. Ordered on May 16th. Label created and my card was charged on the 17th. Mon, the 18th, I assume I’ll hear an update. Nope. Well, I ordered over the weekend, so maybe Tuesday. Nope. On Wednesday the 20th I reached out. I was told it may be held up due to an unpaid insurance fee. I asked what insurance fee and got no reply. I left the chat open for 45 mins and got no response. I sent 3 separate emails to different departments and haven’t had one response. Fed Ex has the label but still no package. This shady kind of customer service has me questioning the quality of their products. I just poured $225 down the drain. There are a million peptide companies. DO NOT PICK THIS ONE
Bennett F.
My order never came, total scam. Also i’ve sent them multiple emails to witch they responded to 0 of them.
Yuri D.
Sent me empty bottles, no response from customer service