16:8 intermittent fasting means you fast for 16 hours and eat within an 8-hour window. 18:6 extends that fast by two more hours, leaving just a 6-hour eating window. Both protocols work for fat loss and metabolic health — 18:6 simply pushes your body deeper into fat-burning mode and produces stronger, faster results for most people. When you fast, your body runs through its stored glucose and then switches to burning fat for fuel — a state called ketosis. This…
What is the difference between 16:8 and 18:6 fasting?
Both 16:8 and 18:6 intermittent fasting work — adding two extra fasting hours deepens ketosis and accelerates fat loss. Here's how to choose.
2026-05-24
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