Casey Means
Physician, co-founder of Levels
Casey Means is a Stanford-trained physician who left a head and neck surgery residency to work on metabolic health. She co-founded Levels, a company that pairs continuous glucose monitors with an app, and co-wrote the book Good Energy with her brother Calley Means. In 2025 she was nominated as US Surgeon General.
Updated November 1, 2026 · 1 experiment
What Casey Means has tried
1 experiment we can source: 1 kept. Trying something is not recommending it; each entry says which.
Kept
Continuous glucose monitoringDevices
Started 2019 · Recommends it to others
Had worn a sensor continuously for about a year and a half by mid-2021 and used it to find foods such as sweet potato that spike her glucose; she co-founded Levels, a CGM company, and promotes CGMs for people without diabetes.
“Almost a year and a half. I can't even imagine taking it off.”
The Melanie Avalon Biohacking Podcast #96, Casey Means on continuous glucose monitors (transcript, June 2021) · Status checked June 3, 2021 · Suggest a correction