Your brain requires a steady supply of energy and nutrients to function. Healthy eating patterns can support brain health, concentration, nervous system function, and overall energy.

Everyday choices might include berries with breakfast, eggs and whole-grain toast, walnuts or fruit for a snack, leafy greens with lunch, or fish with vegetables for dinner. Variety matters more than finding one “brain food.”

Your liver works every day to process nutrients, regulate blood sugar and fats, produce bile, metabolize hormones and medications, and help the body process and eliminate certain substances. Supporting liver health is less about a special “detox” food and more about your overall eating pattern.

Simple everyday choices include vegetables, fruits, whole grains, beans, fish, poultry, nuts, seeds, and other minimally processed foods. Meals can be very ordinary: oatmeal with berries, a vegetable-and-bean soup, chicken with roasted vegetables, or fish with brown rice and greens.

Healthy eating patterns that support metabolic health, blood sugar regulation, and healthy weight also matter to liver health.

Focus on nourishing foods, balanced meals, adequate hydration, and sustainable habits that support your body's normal liver functions.

Heart-healthy eating focuses on an overall pattern rich in vegetables, fruits, whole grains, beans, nuts, seeds, fish, and other minimally processed foods, while being mindful of excess sodium, saturated fat, and highly processed foods.

Simple changes count: add vegetables to dinner, choose fruit for a snack, use herbs and spices for flavor, cook more meals at home, or include beans or fish during the week.

What and how you eat can influence blood glucose and energy throughout the day. Meals containing protein, fiber-rich carbohydrates, vegetables, and healthy fats can help create a more balanced eating pattern.

Think simple combinations: apple with peanut butter, eggs with whole-grain toast, chicken with vegetables and brown rice, Greek yogurt with berries, or beans added to soup or salad.

Your digestive system helps break down food and absorb the nutrients your body needs. A varied eating pattern containing fiber-rich plant foods and adequate fluids supports normal digestive function.

Everyday options include oatmeal, vegetables, fruit, beans, lentils, whole grains, yogurt or other foods with live cultures when tolerated, and plenty of water. Individual digestive needs vary, so foods that work well for one person may not work for another.

Your cells—including your mitochondria—use nutrients from food to help produce the energy needed for everyday life. Rather than looking for one special “energy food,” focus on providing your body with consistent nourishment and a variety of nutrients.

That can be as ordinary as eating breakfast, adding protein to meals, choosing whole foods more often, drinking enough water, and avoiding going long periods without eating when that leaves you drained or overly hungry.

Vitamins and minerals perform many jobs throughout the body, and food provides them in combinations alongside protein, fiber, fats, carbohydrates, and other nutrients.

Instead of focusing on individual supplements, eat the rainbow and vary your foods: leafy greens, colorful vegetables, fruit, beans, whole grains, eggs, dairy or appropriate alternatives, fish, poultry, nuts, and seeds can all contribute different nutrients.

Food first. Variety matters.

Gluten is a protein naturally found in wheat, barley, and rye. Most people do not need to avoid gluten, but people with diagnosed celiac disease require a strict gluten-free diet as part of medical management.

Naturally gluten-free foods include fruit, vegetables, potatoes, rice, beans, eggs, meat, fish, and many dairy foods. Anyone who suspects celiac disease should seek appropriate medical evaluation before starting a gluten-free diet, because removing gluten beforehand can interfere with diagnostic testing.