Rewire Your Brain with Fasting | Dr. Mindy Pelz
Resetter PodcastPublished on January 30, 2026
Summary authored by editor@wellifi.com
TLDR Summary
Fasting can significantly benefit post-menopausal women by promoting the production of ketones, an alternative fuel source for the brain. This approach may enhance cognitive function and alleviate symptoms associated with menopause.
Key Points
- Post-menopausal women often experience brain fog and cognitive decline due to decreased glucose utilization.
- Ketones serve as an alternative and preferred fuel source for the brain.
- Fasting can increase ketone production and may help alleviate cognitive issues associated with menopause.
- Women should consider personalized fasting strategies that align with their physical activity levels.
Unlocking the Power of Ketones for Post-Menopausal Women
As a health practitioner, I have witnessed miraculous transformations in my post-menopausal patients when they embrace fasting. Teaching them to fast not only led to significant weight loss but also dramatically improved their mental clarity. At the heart of this transformation is the role of ketones—a vital fuel source for the brain. In this article, I will explore the relationship between menopause, ketones, and brain health.
The Connection Between Menopause and Brain Function
When I first began teaching fasting in my clinic, I noticed that post-menopausal women thrived on this approach. They experienced an influx of ketones, which are produced when the body burns fat for energy. The brain relies on two primary fuel sources: glucose and ketones. During menopause, however, women's bodies become less efficient at using glucose due to a drop in estrogen levels. This inefficiency can lead to brain fog and an increased risk of cognitive decline, including Alzheimer's disease.
The Role of Ketones
In a conversation with Lisa Moscone, author of The Menopause Brain, she emphasized that as women enter their post-menopausal years, their brains struggle to utilize glucose effectively. This shift can lead to cognitive issues and memory problems. Interestingly, ketones emerge as a potential alternative fuel source for the brain. Research suggests that during menopause, women may benefit from relying more on ketones to support brain function.
Fasting, Ketones, and Brain Health
Research indicates that the brain has an adaptive response to stress, especially during menopause. When the brain undergoes catabolism of white matter, it produces ketones as a byproduct. This natural process suggests that the brain is signaling its need for more ketones during this transitional phase in a woman’s life.
Fasting Strategies for Women Over 40
It's essential to understand that not all fasting approaches are suitable for every woman, particularly those who are actively engaged in strenuous physical activity. Experts like Stacy Sims advocate for a balanced approach to fasting and nutrition, recommending protein-rich meals to support hormonal balance and energy levels.
Key Takeaways from Recent Research
- Post-menopausal women often experience brain fog and cognitive decline due to decreased glucose utilization.
- Ketones serve as an alternative and preferred fuel source for the brain.
- Fasting can increase ketone production and may help alleviate cognitive issues associated with menopause.
- Women should consider personalized fasting strategies that align with their physical activity levels.
Conclusion
The journey through menopause can be challenging, but understanding the role of ketones offers a promising avenue for enhancing brain health. By embracing fasting as a means to boost ketone levels, post-menopausal women can potentially reclaim their mental clarity and vitality. As we continue to explore this topic, I encourage you to consider incorporating fasting into your routine and consult with healthcare professionals for personalized guidance.
For those interested in learning more, my new book Age Like a Girl delves into the science of menopause and how it rewires the brain for the better. With over 450 peer-reviewed citations, it provides a comprehensive resource for understanding the benefits of ketones and fasting during this transformative stage of life.