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Company details
Written by the company
Lyvn is a US based supplier of research peptides, serving laboratories and independent researchers across the United States. Every product in our catalog is third-party tested, and certificates of analysis are published openly on our website for each product size, so researchers can review purity documentation before they order. Our products are compounded in the USA and are sold strictly for laboratory research use only. We are not a pharmacy, and our products are not intended for human consumption, medical use, or diagnostic purposes. Customers must be 21 or older. We believe research sourcing should be transparent: our prices are public with no login wall, our testing documentation is public, and our support team answers questions about orders, shipping, and documentation directly. Orders ship within the United States, and payment is accepted by card through our secure checkout. Lyvn is operated by Lyvn LLC.
Contact info
United States
- lyvn.io
4.0
Great
4 reviews
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Great company with quality products
Great company with quality products. Customer service is next level. Highly recommend working with Lyvn.
October 28, 2026
Exceptional Service and Quality Peptides—They’ve Earned My Loyalty
I placed my first order with lyvn.io on August 12, 2026, and my experience has been excellent. Their customer service is top-notch—responsive, professional, and always willing to take the time to answer questions. I’m the type of person who sticks with a brand that puts in the effort and does a great job, and lyvn.io has earned my loyalty.
I’ve been equally impressed with the quality of their peptides. Their products have met my expectations, and I confidently recommend lyvn.io to anyone looking for high-quality peptides.
October 26, 2026
Reply from Lyvn
Hi Tom, thank you for taking the time to write this, and for being with us since your first order in August. We work hard on the service side, so hearing that the team took the time to answer your questions properly means a lot to us. We appreciate the loyalty, and we will keep earning it.
The Lyvn team
Exceptional customer service!
Exceptional customer service!! Ease of ordering! All documentation of all peptides, COA’s, 3rd party tested and all easy to see and look up on the website! No hidden fees! Priced reasonably compared with other websites. Nice professional, discreet packaging. All peptides arrive in bubble wrap as well. Well done!
October 28, 2026
Reply from Lyvn
Hi Mike, thank you for the detailed review. The documentation side is the part we care most about getting right, published COAs and third-party testing that are actually easy to look up, so it is great to hear that came through. Thanks for recognizing the fair pricing and discreet packaging with a premium feel that we take pride in. Really appreciate you writing it up.
The Lyvn team
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