Began taking Reta recently upon a recommendation to purchase at Optima Supply. Service was quick and received my order in 2 days. The convenience of multiple payment methods makes this too easy to n... See more
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Review summary
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Company details
- #10 of 22 best companies in Biotechnology Company
- #8 of 16 best companies in Biochemical Supplier
- #4 of 8 best companies in Biochemistry Lab
- #8 of 24 best companies in Cosmetic Products Manufacturer
- #9 of 26 best companies in Cosmetics Industry
Written by the company
Optima Supply is a trusted leader in research-grade peptides, proudly serving scientists and researchers with over 20 years of combined peptide experience. Our mission is simple—deliver products that meet the highest standards of purity, accuracy, and transparency. Every peptide we produce undergoes comprehensive multi-stage testing, including Endotoxin analysis, Sterility testing (TAMC, TYMC), and Heavy Metal screening. To ensure complete confidence, we provide 2–3 independent third-party Certificates of Analysis (COAs) for each batch, with verified batch numbers and QR codes for instant authentication. From our cold-shield packaging to meticulous quality control, every step is designed to protect product integrity from our lab to your research. Our decades of experience allow us to combine scientific precision with exceptional customer support, making Optima Supply the preferred choice for researchers worldwide. We are proud to be recognized on Trustpilot for our reliability, fast shipping, and unwavering commitment to quality. When you choose Optima Supply, you choose trusted peptides, verified results, and a partner dedicated to advancing research. Experience the difference that expertise, integrity, and rigorous testing make—choose Optima Supply for all your research peptide needs.
Contact info
United States
- optimasupply.is
Hasn’t replied to negative reviews
Fast shipping
Fast shipping. Came in a clean professional package and is working as intended. Will buy from them again and again.
Great experience
My order came in on time and I had a notification saying it was delivered.
Easy ordering
Ordering my product was extremely easy, and Jenny gave me all the information I needed to get started!
I never received my order.
My orders also arrive very quickly and…
My orders also arrive very quickly and I love that!
Amazing customer service and super fast…
Amazing customer service and super fast shipping. Thank you!
Fast delivery with great packaging
Fast delivery with great packaging. Will order again!
Great quality and customer service
As described. Fast delivery. Excellent customer service.
My only concern is that the Rx I…
My only concern is that the Rx I received has a different name than the one I ordered. No explanation as to why.
Trusted Source for Research Peptides
Great products, amazing prices, great customer service and fast shipping. Would definitely recommend.
Easy order process and quick delivery!
Call tech support…
Had some technical difficulties at first, but once the site was fixed it was great!
Excellent
I really appreciate the quality the timeliness and professionalism of Optima. Support is fantastic and get back to you right away.
Always a great price and ships quickly
I’ve been buying from them for over a…
I’ve been buying from them for over a year!!! Best quality!! Easy process and fast shipping!!
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