I had previously written a negative review because my order had been lost by the USPS and I wasn't getting the support I felt I needed. Then I realized they're a small company and wearing many hats.... See more
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Review summary
Created with AI, based on recent reviews
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Reviews shaping this summary
I have been dealing with increased pain as I’ve gotten a little older. I am very active and have a labor intensive career in massage, bodywork, and physiotherapy. I have read books and articles and li... See more
Sigma is great because it has a face, first of all. Matthew is a well-known and respected advocate for peptide education, so it's nice to know there's a reputation on the line for a quality produc... See more
I've been connecting the dots between Sigma Compounds and the books published prior. One thing's rang true throughout my experience which is that I've truly felt they were on a mission to bring these... See more
Company details
Written by the company
Sigma Compounds stands at the forefront of the research peptide industry, offering premium peptides. We have established strong partnerships with manufacturers who ISO 9001:2008 standards, allowing us to offer our clients exceptional pricing without compromising on quality or purity. Our commitment to delivering top-notch products ensures that we remain a reliable resource for the scientific community, and we are delighted to share these savings with our valued customers
Contact info
9138 W 102nd Terrace, 66212, Overland Park, United States
- support@sigmacompounds
- sigmacompounds.com
4.8
Excellent
99 reviews
No history of asking for reviews
This company hasn't invited their customers, so reviews may not be representative
Replied to 100% of negative reviews
Typically replies within 1 week
How this company uses Trustpilot
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It’s a legit company
It’s a legit company. I like how they package their products when you buy 5 things.
17 May 2025
Unprompted review
I have used Sigma Compounds in my research and am very happy!
I have used Sigma Compounds in my research on numerous occasions. I have found their products to be of the highest quality, which were promptly delivered. Sigma does a great job communicating with customers, keeping them updated on the progress of their orders. I plan to use them again in the future!
27 April 2025
Unprompted review
I've gotten peptides from another…
I've gotten peptides from another company but had I 20% off coupon so I thought I would give Sigma a try. Some issues came up with shipping but Sigma immediately responded to all my questions and made it right. I appreciate a business that takes care of their customers and responds to your inquiries in a timely manner. I did receive the products and they seem to be high quality. I will definitely use Sigma Compounds again, not just because the product is good but the immediate attention they gave me and willingness to make it right.
25 April 2025
Unprompted review
great experience
I had a great experience with Sigma Compounds. Their peptides are high quality, everything was well-packaged, and shipping was fast. Customer service was also excellent — they were responsive and helpful with any questions I had. Overall, very trustworthy and professional. I’ll definitely be ordering from them again!
24 March 2025
Unprompted review
Highly Recommended
Easy transaction and good communication. They will get more of my business, highly recommended.
12 April 2025
Unprompted review
Great Company!
I have been working with different peptides now for a bit of time, and Sigma is so personal, helpful, and immediate with the things I need.
I highly recommend starting your journey here, and find you best peptide partner here.
12 April 2025
Unprompted review
Great prices and fast shipping
Great prices and fast shipping! Ordered a few items and all have been great. Would order again. People associated with them are very helpful with questions I've had.
1 April 2025
Unprompted review
Very pleased everything I purchased has…
Very pleased everything I purchased has been wonderful
8 March 2025
Unprompted review
Sigma Compounds is by far the best…
Sigma Compounds is by far the best Peptide supplier I have found, orders ship out quick and the quality of the peptide is amazing.
2 December 2024
Unprompted review
Professional and Reliable experience…
Professional and Reliable. All the products are the 3rd party tested and will come in custom boxes. The boxes are very nice and protect it. And, makes it great for storage and use.
6 December 2024
Unprompted review
Sigma Compounds truly stands out!
Sigma Compounds is a company that truly stands out for its dedication to quality and customer satisfaction. Matthew, the owner, leads with exceptional vision and integrity, creating a trustworthy brand for research peptides. It's clear that the entire team prioritizes excellence and scientific precision in everything they do.
14 October 2024
Unprompted review
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