Advanced
Fasting Timer
Track your intermittent fast with real-time metabolic phase tracking. Choose your protocol and start the timer.
⏱️ Choose Protocol
16:8Recommended
16h fast · 8h eat
18:6
18h fast · 6h eat
20:4
20h fast · 4h eat
OMAD
23h fast · 1h eat
ℹ️ 16:8 Details
The most popular protocol. Fast for 16 hours, eat within an 8-hour window.
Digestion · 0–4h
Insulin elevated, glucose absorption
Post-absorption · 4–8h
Blood sugar normalising
Glycogen depletion · 8–12h
Liver glycogen decreasing
Fat oxidation · 12–16h
Fatty acids as primary fuel
00:00:00
elapsed
16:00:00 remaining
Target: 16 hours · 0.0% complete
📈 Metabolic Timeline
0h8h16h
Digestion
0–4h
Post-absorption
4–8h
Glycogen depletion
8–12h
Fat oxidation
12–16h