Regrow Your Brain with Intermittent Fasting & BDNF
Summary
Intermittent fasting is identified as one of the most powerful triggers for neurogenesis — the production of new brain cells. It works primarily by stimulating Brain-Derived Neurotrophic Factor (BDNF), a compound that both generates new neurons and preserves existing ones. Several other lifestyle and nutritional strategies can also boost BDNF levels.
Key Takeaways
- Intermittent fasting is the most powerful known trigger for neurogenesis (the creation of new neurons)
- BDNF acts as a natural antidepressant and has anti-anxiety properties
- BDNF improves memory, productivity, and retention of existing neurons
- A ketogenic diet and lowering sugar intake also stimulate BDNF
- High-intensity interval training (HIIT) is another effective BDNF trigger
- Niacin (Vitamin B3), Vitamin D, and DHA all support BDNF production
- People showing signs of Parkinson’s disease, Alzheimer’s disease, mood disorders, or memory decline may benefit most
Details
What Is BDNF?
Brain-Derived Neurotrophic Factor (BDNF) is a naturally occurring compound in the brain that serves two key functions:
- Generates new neurons through the process of neurogenesis
- Preserves existing neurons, protecting against cognitive decline
Its effects extend beyond cognition — BDNF has documented antidepressant and anti-anxiety properties, and supports improvements in memory and mental productivity.
Intermittent Fasting as the Primary Trigger
Dr. Berg identifies intermittent fasting as the most powerful method to stimulate BDNF production. While no specific fasting window or protocol is detailed in this video, it is highlighted as a foundational intervention for anyone seeking to improve brain health.
Additional BDNF Triggers
Several other strategies are mentioned as complementary ways to elevate BDNF:
| Strategy | Category |
|---|---|
| Ketogenic diet | Dietary |
| Lowering sugar intake | Dietary |
| Niacin (Vitamin B3) | Supplement |
| Vitamin D | Supplement |
| DHA (omega-3 fatty acid) | Supplement |
| High-intensity interval training (HIIT) | Exercise |
Who Should Pay Attention
Dr. Berg specifically calls out the following conditions as reasons to explore BDNF-boosting strategies:
- Early signs of Parkinson’s disease
- Early signs of Alzheimer’s disease
- Mood disorders (depression, anxiety)
- Declining memory or sharpness