How Long Should Women Fast Each Day?
The ideal fasting window for women depends on cycle phase, hormonal health, and goals. Here's the evidence-based guide to how long women should fast each day.
The question sounds simple, but it has a more layered answer than most fasting guides let on. How long a woman should fast each day depends on where she is in her menstrual cycle, her hormonal baseline, her current stress load, and what she's trying to achieve. A blanket answer of "16 hours" — borrowed mostly from male-focused research — misses the nuance that makes fasting work well for women rather than against them. The short answer is that most…
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