certified-pep.com reviews, ratings & lab tests.
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certified-pep.com
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Trust Score
97/100
★ ★ ★ ★ ★
Based on 171 reviews · 49 lab tests
✓ Lab Verified97% would buy again99.40% avg HPLC purity
Quality
92/100
Delivery
91/100
Service
92/100
Pricing
93/100
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What buyers say
171 reviews · sorted by most recent
4.6/5
★ ★ ★ ★ ★
171 reviews
✓ 97% would buy again
5
83%
4
11%
3
4%
2
1%
1
1%
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✎ Write a reviewA
@amy_64518
★ ★ ★ ★ ★
Quality peptides at fair prices. Thats all I wanted and thats what I got.
quality
★ ★ ★ ★ ★
Topical GHK-Cu is legit. Fine lines softening, skin looks brighter.
delivery
★ ★ ★ ★ ★
Ordered Friday night, had it by Tuesday. 5 days including the weekend. Can't beat that.
service
★ ★ ★ ★ ★
No CS interaction needed.
pricing
★ ★ ★ ★ ★
Best per-mg pricing Ive found for this quality tier. Regular promos too. Will order again.
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@chrisw24
★ ★ ★ ★ ★
FWIW, id trust them with any compound in their catalog at this point. Consistency matters.
quality
★ ★ ★ ★ ☆
For what its worth, SS-31 working but effects are subtler than what Im used to. Still positive though.
delivery
★ ★ ★ ★ ★
Long story short, shipped the same afternoon I ordered. Had it in hand 6 days later. Impressed.
service
★ ★ ★ ★ ★
Responsive and knowledgeable. Every interaction has been professional.
pricing
★ ★ ★ ★ ★
Pricing is extremely reasonable. Compared side by side with 4 other vendors, these guys won.
F
@foster_brenda
★ ★ ★ ★ ★
Cant say enough decent things. Customer service actually responds and the product is real
quality
★ ★ ★ ★ ★
GHRP-6 hits hard. Hunger spike about 20 min post pin is real lol but the GH benefits are solid..
delivery
★ ★ ★ ★ ★
Look, crazy fast shipping. Had tracking within hours, package arrived 4 days later.
service
★ ★ ★ ★ ★
Ok so never had to reach out. No issues with any of my orders!
pricing
★ ★ ★ ☆ ☆
Update: standard peptide pricing. Neither great nor terrible.
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@ethan_nel
★ ★ ★ ★ ★
Let me just say the customer service alone deserves 5 stars. I had questions about my order and they responded within like 20 minutes. And then the product showed up 2 days later perfectly packaged.
quality
★ ★ ★ ★ ★
Their Tesamorelin is quality. Visceral fat reduction was measurable after about 4 weeks. Very pleased. A+
delivery
★ ★ ★ ★ ★
Impressed with the speed. 4 days and it was at my door. Discreet packaging too.
service
★ ★ ★ ★ ★
n/a. Keep it up!
pricing
★ ★ ★ ★ ☆
Pricing is decent. About average for the market but product quality justifies it. Great job guys
J
@jan1980
★ ★ ★ ★ ★
A++ would recommend to anyone looking for quality peptides.
quality
★ ★ ★ ★ ☆
Just wanted to say solid product. The BPC seems to be helping with my injury recovery. Not overnight results but steady progress.
delivery
★ ★ ★ ★ ☆
Arrived in 5 days. Tracking updated regularly which was nice. Packaging was adequate.
service
★ ★ ★ ★ ★
n/a. Top marks from me.
pricing
★ ★ ★ ★ ★
Gotta say, price is right. Especially compared to what clinics charge for the same stuff lol
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@cschulz
★ ★ ★ ★ ★
everything was perfect. From the website to the packaging to the product itself.
quality
★ ★ ★ ★ ☆
decent product. Reconstituted fine and Im starting to see some effects after about 2 weeks.
delivery
★ ★ ★ ★ ★
4 day delivery. Came in a sturdy box with everything padded nicely.
service
★ ★ ★ ★ ☆
Havent contacted support. Order went fine on its own!
pricing
★ ★ ★ ★ ★
So very competitive pricing. Combined with the quality, this is a no brainer..
Lab test results
49 tests · avg 99.40% HPLC purity
Date
Peptide
Tested by
HPLC Purity
Mar 5, 2026
MOTS-C
Tested: 40 mg
Tested byVanguard Laboratory
98.84%HPLC
Feb 23, 2026
Tirzepatide
Tested: 60 mg
Tested byUnknown
99.80%HPLC
Feb 23, 2026
Tirzepatide
Tested: 30 mg
Tested byVanguard Laboratory
99.80%HPLC
Feb 23, 2026
Retatrutide
Tested: 40 mg
Tested byVanguard Laboratory
99.80%HPLC
Feb 23, 2026
Retatrutide
Tested: 30 mg
Tested byVanguard Laboratory
99.80%HPLC
Peptides sold
65 stocked SKUs
Shipping & payment
Ships to
🇺🇸 USA
Payments accepted
Cryptocurrency
Promotions
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