GREAT experience overall. Shipping was quick, everything arrived on time and packaged well. The ordering process was easy, and customer service was responsive. The ppl running this business truly c... See more
Company replied
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
Review summary
Created with AI, based on recent reviews
What people talk about most
Reviews shaping this summary
After having tried a few different companies, Synthesis is truly in a league of its own. I was impressed by the responsiveness and product quality, but truly blown away by the shipping times. When I n... See more
Company replied
Synthesis Peptides has been great to deal with. Great prices and when I had a concern the owner called me to ensure I was educated and satisfied with the product. Great to deal with. Delivery is fast... See more
Fast delivery turn over. Great presentation. Overall great quality. Possibly could benefit from a BAC water on discount if purchasing large amounts!
Company replied
Company details
Written by the company
Building Blocks for Breakthroughs.
Contact info
United States
- support@synthesispeptides.io
- synthesispeptides.io
4.8
Excellent
70 reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Replied to 100% of negative reviews
Typically replies within 24 hours
How this company uses Trustpilot
See how their reviews and ratings are sourced, scored, and moderated.
Excellent Experience!
This company quite literally changed my life, no exaggeration. The team is extremely knowledgeable and always willing to offer advice and guidance. Shipping is quick and have never had any issues whatsoever with product quality. Highly recommended
November 1, 2025
Unprompted review
The best in the game
The best in the game. You’re selling yourself short if you waste time elsewhere.
May 4, 2026
Unprompted review
Reply from Synthesispeptides
Thank you! Appreciate the kind words and the strong recommendation. Glad we've been hitting the mark for you.
Looking forward to your next order!
Great product and service
Prices are great. The support has been awesome as well compared to the other sites I've been too. Definitely coming back. Happy rats
April 20, 2026
Unprompted review
Reply from Synthesispeptides
Thank you! Glad the prices and support have been a step above the others for you. "Happy rats" made me smile 😂
Appreciate you coming back and looking forward to the next order!
The Trustpilot Experience
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.
Learn more about other kinds of reviews.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.