Fasting, Fertility, and Hormones: What Actually Works for Women

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May 2, 2025

Delve into the nuanced world of fasting and its effects on women's hormonal health and fertility. Discover how leptin signaling influences fasting efficiency and the importance of personalizing your approach. They tackle cold exposure, emphasizing its role in mitochondrial health and stress resilience. Hear personal stories about intermittent fasting and the right way to prepare your body, alongside insights on optimal nutrition and the misconceptions surrounding dietary changes. This discussion promotes a compassionate and informed approach to wellness.

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INSIGHT

Hormetic Stress Builds Resilience

Hormetic stressors like cold exposure, fasting, and exercise promote mitochondrial resilience with proper dosing and recovery.
Mild, intermittent stress enhances cellular function and longevity, unlike chronic, excessive stress which causes damage.

ADVICE

Earn Your Right To Fast

Avoid fasting longer than overnight if you have low leptin or disrupted leptin signaling.
Reestablish leptin safety signals with nourishing food, sunlight, and sleep before attempting extended fasts.

ANECDOTE

Sarah's Fasting Backfire Story

Sarah Kleiner shared her experience with intermittent fasting that initially felt good but led to weight gain and menstrual cycle disruption.
She realized fasting without proper metabolic readiness can harm hormonal balance.

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This episode is sponsored by Bon Charge: Use code QUANTUMPOD to save at Bon Charge - https://boncharge.com/?rfsn=7983798.a28419

In this episode, we're unpacking one of the most misunderstood wellness tools: fasting. But instead of jumping on the “fast harder” bandwagon, we’re breaking down the nuance—especially around hormones, fertility, and mitochondrial health. We’re talking leptin signaling, nervous system regulation, cold exposure, the right timing for longer fasts, and how to actually earn the right to fast. Plus, we get real about our own experiences with intermittent fasting, why it backfired, and what to look for if your body isn’t quite ready. Whether you’re prepping for pregnancy or just want to use fasting as a tool for resilience—not more stress—this one’s for you.

(00:03:26) Health Benefits of Hormetic Stress Exposures

(00:07:21) Cellular Renewal and Weight Loss through Fasting

(00:15:20) Optimizing Leptin Signaling for Effective Fasting

(00:21:38) Metabolic Response to Seasonal Fructose Signals

(00:28:13) Hormone-Optimized Fasting for Health and Fertility

(00:33:53) Electrolyte Balance in Fasting Strategies

(00:37:14) Belief in the Body's Regenerative Power

Sarah's AppApple - https://apps.apple.com/us/app/mycircadianapp/id6538168795?platform=iphoneAndroid - https://play.google.com/store/apps/details?id=com.mycircadian.appCode SarahK for 3 weeks free on Android & 1 month free on AppleThis video is not medical advice & as a supporter to you and your health journey - I encourage you to monitor your labs and work with a professional!--------------------------------------------Subscribe to the Quantum Conversations Podcast: https://open.spotify.com/show/6izLpb6HnQGb3Y5v9GFf14?si=c65de8de097f49e5Connect with Sarah:Get all my free guides and product recommendations to get started on your journey!https://www.sarahkleinerwellness.com/all-free-resourcesCheck out all my courses to understand how to improve your mitochondrial health & experience long lasting health! (Use code PODCAST to save 10%) - https://www.sarahkleinerwellness.com/coursesSign up for my newsletter to get special offers in the future! -https://www.sarahkleinerwellness.com/contactFollow Sarah on Instagram for more free content: https://www.instagram.com/sarahkleinerwellness/Follow Sarah’s main channel for more information on quantum health, fertility, nutrition, and more: https://www.youtube.com/channel/UCd1xxofTziySu0F9oG7G67g?view_as=subscriberTune into the Evolving Wellness Podcast for more content on circadian health, hormone health, fertility and more: https://podcasters.spotify.com/pod/show/sarahkleinerwellnessCarrie & Sarah’s co-taught Fertility course that has helped clients get pregnant easily: https://www.sarahkleinerwellness.com/quantum-fertility-on-demand–––––––––––––––––––––––––––––––––––––––––––––––––––––––Connect with Carrie: Get Carrie's FREE Circadian Starter Kit to start learning about quantum health now: https://www.carriebwellness.com/start?sk Follow Carrie on Instagram for more free content: / carriebwellness Learn all the foundations of quantum health in Carrie's signature course:https://www.carriebwellness.com/offers/KeR8qXen/checkout Find Carrie's other courses, including how to fix your adrenal fatigue: https://www.carriebwellness.com/store