Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and building blocks for growth and repair. Vitamins are micronutrients that are needed in small amounts for various bodily functions.

Carbohydrates are the body's primary source of energy. They are broken down into glucose, which is then used by cells for energy production.

Complete proteins contain all nine essential amino acids that the body cannot produce on its own. Eggs are a good source of complete protein.

Athletes need more protein than sedentary individuals to support muscle growth and repair.

Olive oil is a good source of monounsaturated fats, which are considered to be healthy fats.

Vitamins and minerals play a variety of roles in the body, including providing energy, helping to build and repair tissues, and regulating bodily functions.

Spinach is a good source of non-heme iron, which is the type of iron that is found in plants. Heme iron, which is found in animal products, is more easily absorbed by the body.

Athletes need to drink more water than sedentary individuals to stay hydrated and support their performance.

A banana and a handful of nuts provide a good balance of carbohydrates, protein, and healthy fats, which can help to fuel your workout.

All of the above strategies can help to promote recovery from a workout.

Difficulty sleeping is a common sign of overtraining. Other signs include decreased appetite, increased fatigue, and decreased performance.

All of the above strategies can help to prevent injuries during exercise.

Fruits, vegetables, and whole grains are all good sources of antioxidants, which can help to protect the body from damage caused by free radicals.

Water is the best way to stay hydrated during exercise. Sports drinks can be helpful for athletes who are exercising for more than an hour or who are sweating heavily.

Salmon, tuna, and flaxseed are all good sources of omega-3 fatty acids, which are essential fatty acids that the body cannot produce on its own.