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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.
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.
Peptidessciences is a peptide vendor.
All reviews
Top mentions
Walter Baen
Unknown
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
Unknown
Every peptide I have ordered was effective. Highly recommend this site.
Micah Casey
Unknown
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
Unknown
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
Unknown
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.
Effen Sikov Feeshng
Unknown
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.
preston napier
Unknown
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
Dan McNeil
Unknown
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.
PP
Unknown
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!
tiago
Unknown
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.
Showing 1–10 of 14 reviews