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Certified Pep Reviews

5.0 Rating 649 Reviews
98 %
of reviewers recommend Certified Pep

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Anonymous
Anonymous  // 01/01/2019
Love Certified-Pep, ordering is easy and everyone is extremely helpful and knowledgeable about the products. Shipping was lightning fast too. Highly recommend!
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Posted 1 month ago
Quality product, even better customer service. I refuse to buy from anyone else.
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Posted 4 months ago
Their products and customer service are top notch.
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Posted 3 months ago
Fast order fulfillment, quality product great bridge between jintropin cycles.
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Posted 1 month ago
I switched to this company because of bad service with another company and I"m so glad I did! The best customer service ever! I'm not paid to write this,this is a real customer that is very glad I found them!
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Posted 2 weeks ago
Great customer service!!! It was my first order. It came & by mistake I was sent someone else’s order. At 5:30 in the evening I got an immediate response & a new tracking number & my correct order arrived within 2 days. Mistakes happen. It is what happens after the mistake that counts & Certified Peptides customer service sets the bar on how a mistake should be handled. So far I am happy with the products as well. I will order again for sure!!
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Posted 2 months ago
Thank you guys for a great product, excellent costumer service and efficient shipping processes. I would and will recommend Certified Peptides to anyone interested in optimizing their existence.
Certified Pep 5 star review on 28th January 2026
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Posted 2 weeks ago
Absolutely the best place to get your research items from. I will not buy from anyone else. Top quality, fast shipping and great customer service. Truly the best place.
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Posted 2 weeks ago
You guys have been nothing but fantastic in all of my interactions with you.
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Posted 1 month ago
Best company and customer service ever, I refer all my mom friends:)
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Posted 3 months ago
Improved healing in tendon. No longer have pain caused by tennis elbow.
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Posted 4 months ago
Very happy with Certified-pep so far.. I’ve placed two orders and I’ve had an excellent experience with ordering, delivery speed, as well as getting questions answers quickly by text! Great customer service!!
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Posted 2 weeks ago
Very fast service, great discounts and excellent customer service!
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Posted 1 month ago
Quick so shipping, good prices
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Posted 3 months ago
I have placed several orders with this company and will continue to do so based off pricing, ease of ordering, quality, and speed of shipping. As a result, the company I was previously ordering from no longer gets my business. If you are in doubt about ordering, do not hesitate!
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Posted 2 months ago
Communication was amazing. Questions answered to my satisfaction. Product shipped very fast.
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Posted 3 months ago
Smooth nice and easy. Fast shipping.
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Posted 1 month ago
Always great service and products. If you are in the market for peptides dont hesitate to order anything from these folks.
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Posted 1 month ago
This company has clear pricing and outstanding customer service. Emails were answered quickly and once the peptides arrived instructions and offers of extra help if needed were extended.
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Posted 9 months ago
This is my go to site for all things peptides. When I started I was using peptides sciences; which I great brand with a lot of available research, but also very significant cost increase. Once I started with certified peptides I got the same results for a considerably lower dollar value. Customer service has been amazing and the weekly deals have saved me a ton of money! I have used for GLPs, bp 157, cjc, ipamoralin ands NADs. Highly recommend Cert Peptides!
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Posted 1 month ago
Certified Pep is rated 5.0 based on 649 reviews