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Function Health vs Levels

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Function Health

Function Health

Health

100+ lab tests, twice a year.

Function offers comprehensive annual lab testing and clinician-led insights — turning your blood work into an actionable longevity plan.

Founder
Jonathan Swerdlin
Founded
2020
Team
51-200
Listing
Free (nofollow)
Listed
May 2026
View Function Health →
Option B
Levels

Levels

Health

Your daily metabolic compass.

Levels uses continuous glucose monitors to show how food, exercise, and sleep affect your metabolic health in real time.

Founder
Sam Corcos
Founded
2019
Team
51-200
Listing
Free (nofollow)
Listed
May 2026
View Levels →

See more alternatives

Function Health alternatives →Levels alternatives →