Function Sues Rival Lab-Testing Startup Superpower, Alleging False Marketing
February 5, 2026
Function Health has filed a false advertising lawsuit against Superpower, accusing the rival lab-testing startup of overstating what its membership includes and running comparative marketing that Function says misleads consumers about both companies’ offerings.
The complaint, filed January 26 in the U.S. District Court for the Central District of California, centers around Superpower’s recurring marketing claim that its baseline membership includes “100+ lab tests” or “100+ biomarkers” annually. AthletechNews
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