P M.
Very nice service and easy to navigate
Very nice service and easy to navigate, search, and order.

About Modified AminosModified Aminos is a U.S.-based supplier of research-use-only (RUO) laboratory materials, serving qualified researchers and institutions worldwide. The company focuses on providing high-quality peptides, bioregulators, and related laboratory solutions manufactured under GMP-aligned procedures.All products are intended strictly for laboratory research purposes and are not for human or animal use. Modified Aminos emphasizes transparency, batch traceability, and quality assurance, with lot-specific Certificates of Analysis (COAs) available via QR code or upon request. Independent third-party testing is used where applicable to verify quality attributes such as identity, quantity, and endotoxin levels.Orders are fulfilled using validated cold-chain logistics when required, with clear communication, tracking updates, and responsive customer support. Modified Aminos is committed to reliable sourcing, consistent documentation, and professional service for the research community.
Modified Aminos (modifiedaminos.shop) has 340 customer reviews on Five Star Index, with an average rating of 4.8 out of 5.
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P M.
Very nice service and easy to navigate, search, and order.
JC
Emailed a couple of pre-purchase questions and got a genuinely helpful reply, which put me at ease before ordering. The owner is really nice and seems to genuinely care about helping researchers use the products properly. I purchased research peptides like GHK-Cu 50mg for pre-clinical lab and in vitro work only, never for human or animal use, and the ordering, discreet packaging, and COA documentation were all handled well.
Manny
Solid research supplier. Before ordering I reached out with questions and the owner personally answered every one — no sales pressure, just honest info. I use these for pre-clinical research studies — Documentation and labeling are clear and professional — exactly what research work requires.
David J.
Modified has a great array of products, fast service, and great website. I first learned about him from JT on social media. I buy a lot of peptides for research purposes monthly and now redirecting much of it to Modified Aminos
Herman W.
Great products and easy to order.
KK
Best ever! This company and products are legit!
James
I had questions before purchasing, so I emailed first — got a thorough, honest reply the same day, which really put me at ease about placing the order. The owner is genuinely nice and clearly cares about making sure researchers get quality materials and reliable support. We use the KPV 10mg for in vitro assays in our lab, and the COA documentation was solid and easy to work with. Packaging and shipping were clean and prompt — exactly what we need for our research workflow.
Kim K.
Amazing service!