The body statuses in Lasta's Fasting Tracker show the physiological stages your body goes through during a fast, helping you understand the changes and benefits in real time.
Typical Timeline (Approximate — varies by individual):
- 0–4 hours: Fed state — digesting your last meal, using glucose for energy, insulin elevated.
- 4–8 hours: Glycogen breakdown begins — body taps liver stores for energy, transitioning away from recent food.
- 8–12 hours: Glycogen depletes — fat breakdown increases, early ketogenesis (small ketone production).
- 12–14 hours: Accelerated fat burning — more ketones produced, autophagy (cellular repair) starts activating.
- 14–16 hours: Pronounced benefits — better insulin sensitivity, reduced inflammation, body adapts to ketones, preserving muscle.
- 16–18 hours: Full ketosis — heavy reliance on fat/ketones for energy, potential brain health boost, growth hormone rise.
- 18+ hours: Deepened ketosis and repair — stronger autophagy, enhanced metabolic rate, cellular regeneration, further health marker improvements.
These stages highlight why consistency matters—longer fasts amplify benefits like fat loss and repair, but start with shorter windows (e.g., 14:10) if new. Listen to your body; if you feel unwell, break the fast safely.
For extended fasts or concerns, consult a healthcare professional.
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