Kristen Holmes: The TRUTH About Women's Fasting Windows (Science Says You're Doing It Wrong)

The Ultimate Human with Gary Brecka

Most women are told that narrower eating windows = better results, but according to Whoop’s Global Head of Performance and Science Kristen Holmes, this common advice is causing more harm than good — especially for women’s hormones. In this short episode, Kristen Holmes breaks down the science behind circadian rhythms, metabolic health, and the crucial connection between eating patterns and the menstrual cycle. What eating window works best for your body? Share your experience in the comments below, and join the conversation about women’s health and nutrition timing!

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00:00 Intro of Show

02:10 Eating Window during Menstrual Cycle

06:14 Impact of Food or Alcohol on Stress

07:57 Benefits of Circadian Alignment

10:36 An Average American is Eating in a 15-Hour Window

12:20 Mental Clarity Achieved from Fasting

13:16 Time-Restricted Eating and Hormones

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The Ultimate Human with Gary Brecka Podcast is for general informational purposes only and does not constitute the practice of medicine, nursing or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast or materials linked from this podcast is at the user’s own risk. The Content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professionals for any such conditions.