Free Tool
Carnivore Fasting Timer
Track your fast with real-time milestones. See exactly what's happening in your body at every stage.
Not fasting
00:00:00
Hours
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Start your fast to begin tracking
Fasting Milestones
Log your meals around your fast
CarnivOS tracks fasting windows, nutrient intake, and streak data so you can see the full picture of your carnivore lifestyle.
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Medical Disclaimer: Extended fasting is not appropriate for everyone. Consult your healthcare provider before attempting fasts longer than 24 hours, especially if you have diabetes, a history of eating disorders, or are pregnant. This tool is for informational purposes only.