Fatty fish, including salmon, sardines, and mackerel, are rich in omega-3 eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). DHA is a crucial component of brain cell membranes, helping maintain the structure and function of nerve cells. Both EPA and DHA also play a role in regulating inflammation. Additionally, fish provides choline, a nutrient necessary for synthesizing neurotransmitters.

Avocados are rich in monounsaturated fats, B vitamins, and antioxidants. These nutrients contribute to maintaining brain health and cognitive function. Sliced avocado can be added to whole-grain toast or salads, eaten directly, or blended into smoothies to diversify nutrient sources in the diet.

Walnuts provide plant-based alpha-linolenic acid (ALA), an omega-3 fatty acid that can contribute to communication between brain cells and memory maintenance. Thanks to their vitamin E and polyphenol antioxidants, walnuts can help protect brain cells from oxidative stress and sustain concentration.

Extra virgin olive oil is an essential component of the Mediterranean diet. Extra virgin olive oil (EVOO) is rich in monounsaturated fats and antioxidants. Incorporating EVOO into a balanced diet can help maintain cognitive function over time. Olive oil can be used for cooking, dressing salads, or adding to baked dishes.