1. Leafy greens: As we age, our bodies require more nutrients to maintain optimal health. Leafy greens such as spinach, kale, and Swiss chard are packed with vitamins, minerals, and antioxidants that can help protect against age-related diseases.

2. Omega-3 rich foods: Omega-3 fatty acids are essential for maintaining brain and heart health, which can become more vulnerable as we age. Foods like salmon, tuna, flaxseeds, and chia seeds are excellent sources of omega-3s.

3. Berries: Berries are low in calories but high in antioxidants, making them an ideal snack for people over 40. They also contain fiber, which can help with digestion and weight management.

4. Nuts and seeds: Nuts and seeds are rich in healthy fats, protein, and fiber, making them a nutritious choice for people over 40. They can help lower cholesterol levels and reduce the risk of heart disease.

5. Whole grains: Whole grains, such as quinoa, brown rice, and oats, are a great source of complex carbohydrates, which provide sustained energy and can help regulate blood sugar levels. They also contain fiber, vitamins, and minerals, making them a healthy choice for people over 40.