Fractyl Laboratories
Laboratory17 Hartwell Ave, Lexington, MA
Business Services
Independent laboratories in Lexington, MA
2 independent, locally-owned laboratories are listed in Lexington, Massachusetts on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top laboratories are Fractyl Laboratories and Keros Therapeutics.
How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated November 14, 2026
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