Laurie F.
Been a Modified customer for 9 months
Been a Modified customer for 9 months. Great product, price and customer service. Their nasals are superior. I’ve tried nasals from other companies and Modified beats them hands down.

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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Laurie F.
Been a Modified customer for 9 months. Great product, price and customer service. Their nasals are superior. I’ve tried nasals from other companies and Modified beats them hands down.
Todd B.
Great online order experience. Excellent!
Kris G.
Thought this would be a pain to order but it wasn't ..They are very professional and safe .For sure will be making all orders with them for all my peptide needs
ian D.
Easy to navigate website and reasonably priced
Tre S.
Excellent source for research products. Utilized different vendors historically but Modified Aminos exceeded expectations. Plus, our lab tried Modified Aminos on a recommendation and stuck around. Also, reproducibility in my assays depends on consistent sourcing — no complaints. Large research community behind this supplier, and it shows. Overall, this is the research supplier I brag about.
Takisher C.
For anyone running experiments regularly, this supplier is worth bookmarking. Batch records line up with what the lab posts before you even order. The research community trusts them, and so does my lab now.
Jonathan C.
Good deals and peptides
Jason W.
Product arrived with safety seals missing. Product is not viable with missing seals. Asked for replacement and got denied. Other product tested and appears fake. Do not trust this company. Avoid sending your money.