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 1,761–1,770 of 2,661 reviews
Billy W.
Verified purchaseThis is an amazing company I will never go anywhere else to get my product they have awesome customers service always willing to help an answer any questions that you may have an they also have fast delivery on product also so yes they are the best by far amazing company an amazing people
Little M.
Verified purchaseGreat service...excellent quality..highly recommend ☆☆☆☆☆
Asle P.
Verified purchaseAmazing experience. Jason is so kind and always there for you to help! The whole team is so supportive! I have had the best experience and I will continue to get my products from them.
Michelle T.
Verified purchaseAmazing products
BSmith
Verified purchasemark B.
Verified purchaseGreat service! Answered all my questions and I received reply's in less than 5 minutes on Facebook or thru the website. Fast shipping also and packaged well. I would definitely recommend Certified Peptides.
Darlene D.
Verified purchaseWhat great service! I’m so happy and it’s refreshing to see such individualized attention each customer receives! Thanks Jason and Sabrina! ⭐️⭐️⭐️⭐️⭐️✌️🫶🏽
Linda W.
Verified purchaseGreat experience. Ordering was easy and uncomplicated. Delivery was fast and accurate. Prices were good but could be better.
Mike Y.
Verified purchaseThey respond to questions promptly. Great customer service.
James
Verified purchaseI have used this company for months and have never been disappointed!!! Thank you for all you do