Zenith Bioscience is the best and they have my full trust. Products always arrive promptly and there is great communication. Verifiable COA’s attached to every product really helps to drive home that... Se mere
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I believe this is my 3rd order from here. Always great customer service if you have questions. Very responsive and quick turnaround. I believe I placed the order on Saturday and was delivered on Monda... Se mere
I have ordered from Zenith Bioscience twice now. Both times my orders shipped the same day via UPS and I received my order two days later. The vials have batch numbers on them that correlate with publ... Se mere
I can’t say enough good things about Zenith Bioscience and James. He runs the kind of detailed, customer-first operation that’s rare. From the quality of the products to the packaging and even the lit... Se mere
Virksomheden har svaret
Virksomhedsoplysninger
Skrevet af virksomheden
Zenith Bioscience is a U.S.-based supplier focused on providing research-use-only peptides and related compounds. We emphasize transparent documentation, consistent labeling, and careful order handling from fulfillment through delivery. Our goal is to operate with professionalism in a space where trust and clarity matter. We prioritize clear communication, accurate order processing, and making relevant product information available so customers can make informed decisions. Zenith Bioscience is an independent company operating exclusively under this name. We welcome honest feedback and use it to continually improve our processes and customer experience.
Kontaktoplysninger
4,9
Fremragende
164 anmeldelser
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Best Retailer in this space BY FARR!!!
Lowest Price on the best quality research water on the internet. The owner James goes above and beyond to make your purchasing experience perfect. The best prices. The fastest shipping and the best customer service in the entire research game. If you have an issue you will speak to the owner himself and Customers are his number 1 priority. I highly reccomend. 0 stress/maximum satisfaction transaction.
31. august 2026
Uopfordret anmeldelse
Always a 10 out of 10 experience
Like always, James is great. His customer service goes above and beyond, the orders are always correct and delivered fast. Will be ordering from him again.
3. september 2026
Uopfordret anmeldelse
Fast and good quality peptides.
Fast and good quality peptides.. well definitely order again soon.. and the prices are reasonable..
27. august 2026
Uopfordret anmeldelse
Hands down the best peptide company!
I have ordered from Zenith Bioscience twice now. Both times my orders shipped the same day via UPS and I received my order two days later. The vials have batch numbers on them that correlate with published COAs on the website. COA's, endotoxin, heavy metals, and sterility all available. Hands down the best and most transparent peptide company. And the peptides are Great!!
31. august 2026
Uopfordret anmeldelse
Order arrived as expected
Order arrived as expected. They even were able to add something on that I forgot quickly.
All products are of high quality for research. Looking forward to ordering more. Definitely appreciate the COAs and transparency on stock availability and timelines for replenishment / testing.
22. august 2026
Uopfordret anmeldelse
Happy Happy Customer
I have been using Zenith Bioscience for the past three months and wow. Great communication, and even better community. The product itself is amazing, and for the price we are able to get it at is even more amazing. For sure will have a long time customer out of me.
31. august 2026
Uopfordret anmeldelse
Perfect!
Incredibly fast service and packaged well. Products are as promised and competitively priced. Very impressive! I definitely will be ordering again!
21. august 2026
Uopfordret anmeldelse
True quality and care! Best research supplier!
As some for feedback based off of my experience with Zenith Bioscience. So far you guys have been the best source for me and will continue to be ordering exclusively from here. Please understand that as a person who conducts extensive research having a source that is reliable and transparent is the best way to ensure positive retention with continuous business. When I tell you the work that goes into making the store, website, inventory, and customer service has not gone unnoticed. Keep up the amazing work and restocking :)
30. august 2026
Uopfordret anmeldelse
The only issue I had was the fact that…
The only issue I had was the fact that I received a notice that the shipping lable was made . I kept checking to see when it would be shipped and then 5 days later I was informed that it was being delivered that day . Its an issue for me . My other ROU suppliers never have this is problem.
27. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Hi Jeff,
I’m sorry to hear about your experience. I did want to clarify the shipping timeline, as the tracking can be a little misleading in this case.
Your order was placed on 8/22, and UPS tracking confirms that the package was dropped off at The UPS Store on 8/23 at 3:44 PM. Unfortunately, UPS did not provide another tracking update until 8/25, despite already having possession of the package.
Once a package has been handed over to UPS, their scans and transit updates are outside of my control, but I completely understand the frustration of seeing tracking that appears not to be moving.
I appreciate your business and hope to earn your future orders.
– James
Zenith Bioscience
James at Zenith is absolutely amazing
James at Zenith is absolutely amazing. Products are 🔥. So glad i found this guy.
26. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Love this 😂🔥
So glad you found Zenith too. I really appreciate the kind words and the support!
– James
Zenith Bioscience
Awesome from time was paid updated when…
Awesome from time was paid updated when order was packed and tracking right on, very good
26. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Glad the updates throughout the process stood out! I want customers to know exactly what’s happening with their order from payment through delivery.
Thanks for choosing Zenith and for the review!
– James
Zenith Bioscience
Great experience
Shipping was good. Product research wonderfully! Will order again!
13. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Glad everything arrived smoothly and you’ve been happy with your research!
Really appreciate you giving Zenith a try. Looking forward to having you back!
– James
Zenith Bioscience
Extremely Satisfied!
Extremely satisfied with not only product but also with correspondence and shipping. Excellent service!
24. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Really appreciate this. A great product is only part of the experience—communication and getting your order to you quickly matter just as much.
Thank you for choosing Zenith and for taking the time to share this!
– James
Zenith Bioscience
Extremely satisfied…
Extremely satisfied with not only product but also with correspondence and shipping. Great lab with excellent service.
17. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Really appreciate the kind words.
I want the entire experience to be solid, not just what shows up in the package. Good communication, quick shipping, and dependable service all matter.
Thank you for trusting Zenith!
– James
Zenith Bioscience
Great Company All Around!
I came across James on TikTok and loved how honest he was about his testing and the products and I really love his story about just getting started with Zenith Bioscience and leaving his job to take this on full time with his family’s help. The website is well thought out and very user friendly and they do thorough testing which you can confirm through the CoA listed next to each product. Anything I could want in a site they have on theirs and I find the restock schedule very helpful as well. I’ve only placed one order so far but am waiting for a product to come back in stock to get more. They have all the pay options you could want which helps to add more trust and ease to ordering. My order came quickly, was packaged very professionally, and even had a sweet hand written thank you card included. I loved this touch that you won’t find with larger companies. Thank you, James, to you and your company for giving us a place we can go to that has outstanding customer service, is trustworthy, safe, and efficient for our researching needs. I will be a repeat customer!
21. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
This one genuinely means a lot to me. Thank you.
You picked up on so many of the things I’ve put a ton of thought into—from making testing and COAs easy to verify, to the restock schedule, payment options, packaging, and even the handwritten cards. I never want Zenith to lose those personal touches as we grow.
And thank you for following the story from TikTok and rooting for me and my family along the way. Taking the leap to do this full time was a huge decision, and reviews like this remind me why I did it.
I’m grateful to have earned your trust and your future business. Thank you!
– James
Zenith Bioscience
Fast shipping & fast customer service…
Fast shipping & fast customer service replies! Zenith really shines on integrity though. I feel like its one of the few companies in this space that can be trusted. A++
17. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
Integrity is probably the compliment that means the most to me.
There’s a lot of noise in this space, so I’ve always tried to be straightforward about what I sell, how it’s tested, and what’s happening behind the scenes—even when it isn’t the easiest thing to say.
Thank you for trusting Zenith.
– James
Zenith Bioscience
This is the best peptide company…
This is the best peptide company around. I have ordered from several and this is top notch. Customer service is excellent, fast shipping and best quality products around. I’ll never look elsewhere.
21. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
“I’ll never look elsewhere” is one hell of a compliment.
Knowing you’ve tried several companies and still chose Zenith means a lot. I’ll keep working to make sure the service, shipping, and standards continue earning that trust.
Thank you!
– James
Zenith Bioscience
Responds quickly and very helpful.
Responds quickly and very helpful.
20. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
I try not to leave people hanging when they have a question. Glad I could help!
Thanks for choosing Zenith.
– James
Zenith Bioscience
Have ordered 3x from them and at first…
Have ordered 3x from them and at first I was a little worried because I have been scammed in the past with fake stuff but their delivery was fast but the customer service was amazing I had a issue with the card system and they fixed it for me and gave me 10%off for the inconvenience! Definitely will be my regular supplier
21. august 2026
Uopfordret anmeldelse
Besvarelse fra Zenith Bioscience
I completely understand being skeptical, especially after having a bad experience elsewhere. The fact that you gave Zenith a chance and have now come back three times means a lot.
Things occasionally go wrong, but how they're handled matters. I'm glad we were able to get the payment issue fixed quickly and make the inconvenience right.
Thank you for making Zenith your regular supplier!
– James
Zenith Bioscience
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