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MACRONUTRIENTS
Building Blocks of Nutrition
PROTEINS
Protein is an essential macronutrient that plays a crucial role in the human diet. It provides the building blocks for muscle, skin, hair, and nails, and is necessary for growth and repair of tissues. Protein also helps to regulate hormones, enzymes, and immune function. In addition to its structural role, protein can also be used as a source of energy.
There are many good sources of protein in the human diet. Some of the best sources include:
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Lean meats such as chicken, turkey, and fish
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Dairy products such as milk, cheese, and yogurt
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Eggs
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Legumes such as beans, lentils, and chickpeas
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Nuts and seeds
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Soy products such as tofu and tempeh
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Whole grains such as quinoa and amaranth
FATS/LIPIDS
Fats play an important role in the human diet. They provide a concentrated source of energy, help to absorb fat-soluble vitamins, and are necessary for the production of hormones. Fats also help to maintain healthy skin and hair, and provide insulation to keep the body warm.
There are many good sources of fats in the human diet. Some of the best sources include:
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Avocados
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Nuts and seeds
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Fatty fish such as salmon, tuna, and mackerel
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Olive oil and other plant-based oils
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Cheese and other dairy products
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Dark chocolate
It is important to choose healthy fats, such as monounsaturated and polyunsaturated fats, and to limit your intake of unhealthy fats, such as trans fats and saturated fats.
CARBOHYDRATES
Carbohydrates are an important source of energy for the body. They provide fuel for the brain and muscles, and are necessary for physical activity and organ function. Carbohydrates are broken down into glucose, which is used by the body for energy.
There are many good sources of carbohydrates in the human diet. Some of the best sources include:
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Whole grains such as brown rice, quinoa, and whole wheat bread
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Fruits such as apples, bananas, and berries
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Vegetables such as sweet potatoes, carrots, and peas
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Legumes such as beans, lentils, and chickpeas
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Dairy products such as milk and yogurt
It is important to choose healthy carbohydrates, such as those found in whole grains, fruits, vegetables, and legumes. These foods provide fiber, vitamins, and minerals, and can help to regulate blood sugar levels.
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