As a practicing dietician, I always say — there’s no one-size-fits-all answer, especially when it comes to women’s health.
PCOS and Thyroid conditions are both hormonal issues, and both demand gentle, sustainable lifestyle approaches.
While intermittent fasting (IF) is trending, it’s not a magic solution — and definitely not suitable for every woman.
✅ Some women with PCOS do find short fasting helpful in reducing insulin resistance. But extreme fasting (16+ hours), skipping breakfast, or eating too little can backfire, leading to mood swings, fatigue, hair fall, and even period irregularities.
⚠️ For thyroid (especially hypothyroidism), long fasting windows can mess with your metabolism and cortisol levels. A steady routine, balanced meals, and eating within an hour of waking up (especially if you’re on thyroid meds) is often more supportive.