Monday, November 9, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
79 reviews
Onyx BioLabsSelect a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Onyx Biolabs is a premier provider of high-purity research peptides, dedicated to supporting the scientific community with unmatched quality and reliability. Founded on the principles of precision and transparency, we specialize in sourcing and supplying laboratory-grade compounds for innovative research and development.At Onyx Biolabs, we understand that the integrity of your data depends on the integrity of your materials. That is why every product in our catalog undergoes rigorous testing to ensure peak purity and consistency. Our commitment to excellence extends beyond our products to our customer experience; we offer streamlined logistics, including tiered shipping options, to ensure your research stays on schedule.Headquartered in Charlotte, North Carolina, we pride ourselves on being a domestic leader in the industry. Whether you are conducting preliminary studies or complex long-term trials, Onyx Biolabs provides the foundational tools necessary for breakthrough discoveries. We are constantly evolving our catalog and our digital infrastructure to provide a seamless, secure, and professional procurement process for researchers across the country.Choose Onyx Biolabs for your research needs—where scientific rigor meets exceptional service.
Onyx BioLabs (onyxbiolabs.com) has 79 customer reviews on The Fair Hearing, with an average rating of 4.6 out of 5.
Showing 66 reviews with 5 stars · Clear filters
I accidentally deleated my order invoice # and need to inquire about date of shipment. Support was quick to respond to my request.
By Linda C.
Response from Onyx BioLabs· Sep 5, 2026
Hi Linda, thank you for the 5-star rating! Accidental deletions happen, and we're glad our support team was able to quickly pull up your details and get you the shipping update you needed. We appreciate your business!
Very helpful customer service and fast shipping.
By Justin S.
Response from Onyx BioLabs· Sep 5, 2026
Hi Justin, thanks so much for the 5-star review! Fast fulfillment and helpful customer support are our top priorities, and we're glad to have delivered on both for you. We look forward to working with you again!
Product is always the same and comes quickly, customer service is great too.
By Peter
Response from Onyx BioLabs· Sep 5, 2026
Hi Peter, thank you for taking the time to leave us a 5-star review! Consistency, speed, and reliable service are everything when it comes to research supplies. We truly appreciate your repeat business and support!
"Onyx Biolabs has proven to be a completely reliable company. Working with them is a guarantee of professionalism and commitment. Their products are of top quality, which provides great peace of mind. A point to especially highlight is the extreme punctuality of their deliveries, managing shipments with total efficiency so they arrive at their final destination without any setbacks. This entire process is backed by excellent customer service that provides constant support. Without a doubt, impeccable management from start to finish."
By De Gaulle Hanze M.
Response from Onyx BioLabs· Aug 24, 2026
Hi De Gaulle, thank you so much for the detailed and thoughtful 5-star review! We take immense pride in ensuring top-tier product quality, punctual delivery logistics, and dedicated customer support from start to finish. We truly value this partnership and look forward to continuing to supply your future research projects!
Onyx Biolabs is by far the most responsive and best managed and packaged of any research labs I have used. Their prices with discounts are competitive with any, but what distinguishes them is the ease of their packaging and supplies along with their unparalleled support. I frequently ask them questions through their email and they reply immediately with thorough explanations and clarifications. I could not be more impressed and they have become my only supplier and resource. They treated me like a VIP from the very beginning. Again, this level of domestic testing and expert responsiveness is unmatched. Do yourself a favor and just try them. You will never ever go anywhere else.
By JANE ELIZABETH H.
Response from Onyx BioLabs· Aug 15, 2026
Hi Jane, thank you so much for taking the time to share such detailed, generous feedback! We take immense pride in providing domestic testing standards, secure packaging, and fast, thorough support for every researcher we work with. Knowing we've earned your trust as your exclusive supplier means everything to our team. We truly appreciate your support and look forward to assisting with your next order!
I had an issue with several items in my order that pretty much ruined the whole thing, but Onyx took care of everything so quickly and completely - it honestly shocked me.
By Customer
Response from Onyx BioLabs· Aug 10, 2026
Thank you so much for taking the time to leave us a 5-star review! When issues pop up, stepping in to resolve them quickly and completely is always our top priority. We're glad our team could turn things around for you, and we look forward to supporting your future research projects!
I ordered a few times fast shipping I trust them with my peptides for quality
By Eduardo F.
Response from Onyx BioLabs· Aug 4, 2026
Hi Eduardo, thank you so much for the repeat business and the 5-star review! We're glad to hear our fast shipping and product quality consistently meet your expectations. We look forward to assisting with your next order!
Great prices fast shipping. Hopefully the product is quality as well.
By Tim
Response from Onyx BioLabs· Aug 4, 2026
Hi Tim, thanks for the 5-star review! We appreciate your feedback on our shipping speed and pricing, and we're confident you'll be just as pleased with the product quality once your research is underway!
