Customer service
Many buyers praise helpful, professional support and quick responses. One reviewer says the listed customer service email was undeliverable.
See 37 reviews about Customer service
Written by AI from the 150 most recent reviews
Buyers often praise customer service, quick shipping, easy ordering, and product quality. Reviews differ on product quality and packaging, with some complaints about a tested product, damaged arrival, and parcels delayed or mishandled. Buyers also mention fair prices and helpful testing documentation.
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Many buyers praise helpful, professional support and quick responses. One reviewer says the listed customer service email was undeliverable.
See 37 reviews about Customer serviceMany buyers report fast or on-time delivery. Others describe delayed parcels, carrier problems, or extra shipping costs.
See 39 reviews about ShippingBuyers often describe ordering and checkout as easy, with some noting quick order processing. One reviewer reports confusion over applying a discount.
See 16 reviews about OrderingMany buyers praise product quality. Reviews differ: one buyer reports a poor test result, and another describes a product arriving dried and brittle.
See 36 reviews about Product qualitySome buyers praise careful or secure packaging, while others criticize loose packaging or a cap arriving open. Buyers also mention COAs and batch testing.
See 11 reviews about Packaging and COAsMichael O.
Verified purchaseGreat products, great customer service and fast delivery.
Mitch
Verified purchasePros: Fair pricing (with discount code), good selection of products, COA's included testing for endotoxins and heavy metals (not all suppliers go this far with their COAs), easy to order and pay online, shipping speed was ok. Only con: Shipping packaging in my opinion was mediocre -loose vials in a shipping style envelope (could have broken easily with carrier mishandling) and no real temperature control measures.
AARON B.
Verified purchaseI had a stolen order worth more than $800. The company was VERY generous and sent me a make up order 10 days later. WHERE ELSE DOES CUSTOMER SERVICE LIKE THAT EXIST THESE DAYS? I'm a customer for life. 24 hour customer support, a wide range of quality research compounds & quick turn around times also helped earn my continued business as well. HAVE FedEx hold your package at a local storefront.
Engineered for elite research, our products combine pharmaceutical-grade quality, with rigorous independent testing!
2,661 published reviews
Showing 1–10 of 2,661 reviews
Cliff
Verified purchaseGood prices, fast shipping.
Michael O.
Verified purchaseGreat products, great customer service and fast delivery.
Don D.
Verified purchaseSteven G.
Verified purchaseHigh quality, perfect packaging and the package itself; very fast service!
MICHAEL P.
Verified purchaseCrap product, had it tested at Amino Metrics 82.6% purity level and concentration was 34.18mg in a 40mg marked vial.
Della H.
Verified purchaseAshley J.
Verified purchaseCertified Peptide is an outstanding company! Their quality and service are truly top-notch, and they have earned my loyalty. I wouldn’t consider going anywhere else for my research needs. Highly recommend!
Dan W.
Verified purchaseJason V.
Verified purchaseAmazing customer service and products. This is the BEST company to get peptides from!
Anthony S.
Verified purchaseJason is always awesome

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2,661 published reviews
Showing 1,791–1,800 of 2,661 reviews
Casey H.
Verified purchaseVery fast delivery very professional product
Becky L.
Verified purchaseExcellent service. Delivery was prompt. Love the pop-up email discounts.
Joe
Verified purchaseHady R.
Verified purchaseThis is a great company with great products and great customer service. I highly recommend them!
Mary G.
Verified purchasePEKoz
Verified purchaseEasy ordering process. Attentive customer service. USPS Priority Mail ensures I have a timely delivery with tracking..."Route",, shipping protection??? not too crazy about paying $22.50 for something I believe I get with USPS PRIORITY MAIL. I didn't have to pay for "shipping protection" on my previous orders. However the products are good, and with the frequent discounts they offer the prices are better than most US vendors. I found these guys while I was researching and vetting other vendors and I was pleasantly surprised. Certified is now in the top 5% of vendors on my list.😎
MNDenise
Verified purchaseVery informative website. Well packed for shipping. Overall very satisfied with my purchase and the customer service.
Tamara
Verified purchaseThe best prices on high quality research products. Whenever I have a dilemma the staff is available to help me solve the roadblocks. Couldn't recommend them more! Thanks Rebecca and Jason!
Karrene K.
Verified purchaseThank you so so so much for replacing my lost USPS package! Customer service is outstanding! As a matter of fact, the reviews on Reddit for your customer service are why I chose to switch to your company in the first place. Thank you again!
Romana P.
Verified purchaseCertified, prompt and readily available when needed to answer any questions. It’s reassuring knowing you can speak to a live person.