Eat · Brain health technique
Foods rich in flavonoids
Evidence grade: Essential
Includes cocoa, vegetables, teas, and herbs that provide plant compounds such as anthocyanins, flavonols, and flavones. These compounds act as antioxidants and signaling molecules that help regulate inflammation, vascular tone, and cellular defense pathways relevant to the brain.
- Practice
- Eat
- Principle
- Nourishment
- Tactic
- Brain Healthy Foods
- Evidence grade
- Essential
- Strength of evidence
- High
- Cost
- Medium
- Effort
- Low
- Time commitment
- Low
How to practice Foods rich in flavonoids
Eat a wide variety of colorful plants daily, berries several times per week, apples or citrus most days, and tea or cocoa (unsweetened) in moderation. Frozen fruit retains most flavonoids. Diversity matters more than any single source. Limit added sugar in juices or chocolate products. The benefit plateaus once overall fruit and vegetable intake is high.
The evidence behind Foods rich in flavonoids
Flavonoids improve cerebral blood flow and protect neurons from oxidative stress. Large cohort studies link high intake of berries, apples, citrus, and tea with slower cognitive decline and reduced dementia risk. Small RCTs show improved executive function and memory from cocoa flavanols and blueberry extracts. Evidence quality is strong for benefit through vascular and anti-inflammatory pathways. Excessive supplement use offers no proven advantage over whole foods.
More Eat techniques
Take control of your brain health
BetterBrain gives you a personalized protocol of techniques like these, backed by science and tailored to you.