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Based on 14 reviews, customers have shared their experiences with Peptidessciences. Some customers have reported concerns about their experiences with this company....
Based on these reviews
Walter Baen
11/26/2025
Company name confusion
I hope to clear up some confusion here. Peptides (with an s at the end) Sciences is not the same as Peptide(no s at the end)Sciences. Peptide Sciences is a well established company with great reviews. I hope this helps someone.
Joe Tof
10/27/2025
Every peptide I have ordered was…
Every peptide I have ordered was effective. Highly recommend this site.
Micah Casey
10/26/2025
Wish I could give a zero
Wish I could give a zero. Their prices are a rip off! They are charging $24/mg where other sites charge $10. Shop around!
Toni
10/21/2025
Trust Worthy? Not sure.
I have ordered from Peptide Sciences (please note the label and website is incorrect on here) several times. What I like is that I did receive good quality lyophilized powder, what I don't like is the lack of customer support, the no return policy, and the higher prices. I also noticed the COA is lower in purity than other companies who are less expensive and more personable. Ex: 99.3% vs 99.8% purity. Lastly, I have found multiple spelling errors on descriptions on their site. Ex: Sermorelin 15MG ...Sermorelin is a growth-hormone-releasing hormone (GHRH) analogue has been used to assess and stimultate natural growth hormone secretion. It is of interest to researchers for its ability to improve bone density, reduce scaring, fight the effects of dementia, and reduce seizure activity.Stimulate is spelled wrong and the word scaring should be scarring.If they can't spell, how legit is their product? Just some red flags for me.
Julie Flippin
10/17/2025
BEWARE of bad product
7/3/25 I ordered 2 vials - 15mg of sermorelin No problems occured with reconstituting either vial. 9/10/25 I ordered 2- 15mg of sermorelin. Both vials were clumpy and cloudy after reconstitution. I then reached out to the customer service dept and gave all of the information they asked for, lot numbers and pictures. I haven't heard from anyone since 9/30/25. They have stopped all correspondence without a solution.
Company details
About
Peptidessciences is a peptide vendor.
Contact info
14 reviews
All reviews
14 total ·
Top mentions
Walter Baen
Unknown
Company name confusion
I hope to clear up some confusion here. Peptides (with an s at the end) Sciences is not the same as Peptide(no s at the end)Sciences. Peptide Sciences is a well established company with great reviews. I hope this helps someone.
November 26, 2025Joe Tof
Unknown
Every peptide I have ordered was…
Every peptide I have ordered was effective. Highly recommend this site.
October 27, 2025Micah Casey
Unknown
Wish I could give a zero
Wish I could give a zero. Their prices are a rip off! They are charging $24/mg where other sites charge $10. Shop around!
October 26, 2025Toni
Unknown
Trust Worthy? Not sure.
I have ordered from Peptide Sciences (please note the label and website is incorrect on here) several times. What I like is that I did receive good quality lyophilized powder, what I don't like is the lack of customer support, the no return policy, and the higher prices. I also noticed the COA is lower in purity than other companies who are less expensive and more personable. Ex: 99.3% vs 99.8% purity. Lastly, I have found multiple spelling errors on descriptions on their site. Ex: Sermorelin 15MG ...Sermorelin is a growth-hormone-releasing hormone (GHRH) analogue has been used to assess and stimultate natural growth hormone secretion. It is of interest to researchers for its ability to improve bone density, reduce scaring, fight the effects of dementia, and reduce seizure activity.Stimulate is spelled wrong and the word scaring should be scarring.If they can't spell, how legit is their product? Just some red flags for me.
October 21, 2025Julie Flippin
Unknown
BEWARE of bad product
7/3/25 I ordered 2 vials - 15mg of sermorelin No problems occured with reconstituting either vial. 9/10/25 I ordered 2- 15mg of sermorelin. Both vials were clumpy and cloudy after reconstitution. I then reached out to the customer service dept and gave all of the information they asked for, lot numbers and pictures. I haven't heard from anyone since 9/30/25. They have stopped all correspondence without a solution.
October 17, 2025Effen Sikov Feeshng
Unknown
Reliable / Professional/ Responsive
I am really surprised to see low reviews by others. I’ve been a customer for several years. Never received a poor quality product. Orders filled/ sent promptly; and packaged professionally. Their customer service is responsive if ever a question- via phone or email. In addition, their website has substantial information on research peptides.
October 3, 2025preston napier
Unknown
7 years of amazing quality & service
Not sure how there are so many negative reviews. I have been using peptide sciences for atleast 7 years. Have used soo many different peptides from them. They have all been top notch and they arrive in a couple of days. I ha e never even once had a problem with any of their peptides and some of the biggest names in the bio hacking world talk about their quality products. So yea 5 stars all day
September 29, 2025Dan McNeil
Unknown
I'd give zero if I could
Idy give zero if I could. I can't say what they sent me. I ordered two vials glp-1, two vials bpc157/ tb500, two vials ghrp blend and all were bad. Three were cloudy after adding diluent. Two thickened into a gel after adding diluent. The last one I threw away. You get what you pay for.
September 4, 2025PP
Unknown
Not a compounding pharmacy
It is the fine print that is very hard to find on their site. They are not compounding pharma. I got duped. Don't buy!
August 20, 2025tiago
Unknown
worts customer service ever
It's the worst customer service ever, I'm trying to solve an issue about a month and they take a week just to respond an email and I haven't got it sorted, I spent about 500$ dollars and I haven't got the peptides neither the money back, stay away from them.
July 25, 2025Showing 1 - 10 of 14 reviews