Function Health, based in Austin, Texas, sells a health membership with more than 100 lab tests, optional imaging and data-driven insights aimed at prevention and healthspan. It raised a $298 million Series B led by Redpoint Ventures in November 2025, at a $2.5 billion valuation.
At a glance
| Price from | From $365 a year |
| Best for | Consumers who want regular whole-body lab testing |
From Function Health's own website.
What stands out
- On sale to consumers now
- Large panel of tests per membership
Worth knowing
- Testing, not treatment
- Imaging and some screens cost extra
How it ranks
Function Health is ranked 5th of 10 in Best Longevity Startups (Lister Score 91.8).
#5 in Best Longevity Startups · Lister Score 91.8
Function Health's November 2025 Series B brought its total funding to about $350 million..
| Rank | Best Longevity Startups | Score |
|---|---|---|
| 1 | Altos Labs | 96.8 |
| 2 | NewLimit | 95.6 |
| 3 | Retro Biosciences | 94.3 |
| 4 | Loyal | 93.1 |
| 5 | Function Health | 91.8 |
| 6 | Life Biosciences | 90.4 |
| 7 | Juvenescence | 89.1 |
| 8 | Rubedo Life Sciences | 87.7 |
| 9 | Cambrian Bio | 86.4 |
| 10 | Gameto | 85.0 |
Frequently asked questions
How does Function Health rank on Lister?
Function Health is ranked 5th of 10 in Best Longevity Startups (Lister Score 91.8).
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