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 761–770 of 2,661 reviews
Cindy S.
Verified purchaseReally fast delivery and best of all great products!
frederick T.
Verified purchaseOverall a very positive experience with them; they usually have everything I want in stock, and from what I can tell, it's all real. Some products are less expensive elsewhere. My only issues have been inconsistencies in shipping, with most orders taking less than a week to arrive, and one almost two weeks...that and zero response to emails.
Deborah A.
Verified purchaseVery pleased with products, price , packing and shipping.
Sher M.
Verified purchaseKeith R.
Verified purchaseSophia M.
Verified purchaseThis company has been the best. Love the prices , customer service is amazing. We will always buy our peptides from here.
Allison B.
Verified purchaseAmazing, affordable products! My go to place for all my products!
Kim C.
Verified purchaseProducts, shipping and customer service are top notch
Krista R.
Verified purchaseShane A.
Verified purchaseI have purchased several peptides from Certified Pep and everything has come packaged very secure, exactly what I ordered and they have excellent customer service. I will continue to order all my peptides from them. Thank you very much!