Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.

The recommended daily intake of carbohydrates for an adult is 45-65% of total calories.

Eggs are a complete protein, meaning they contain all nine essential amino acids.

Dietary fiber aids digestion by promoting bowel regularity and preventing constipation.

Vitamin K is necessary for blood clotting and the synthesis of certain proteins.

The recommended daily intake of water for an adult is 2-3 liters.

Calcium is essential for bone health and the prevention of osteoporosis.

Antioxidants protect cells from damage caused by free radicals, which are unstable molecules that can lead to cell damage and chronic diseases.

Glucosamine is a supplement commonly used to improve joint health and reduce pain associated with osteoarthritis.

Probiotics are beneficial bacteria that promote digestion, support gut health, and help prevent certain digestive issues.

Vitamin D is necessary for the absorption of calcium and the maintenance of bone health.

The recommended daily intake of fruits and vegetables for an adult is 4-5 servings.

Iron is essential for the production of red blood cells and the prevention of anemia.

Omega-3 fatty acids are beneficial fats that promote heart health, reduce inflammation, and support brain function.

Melatonin is a supplement commonly used to improve sleep quality and regulate the body's circadian rhythm.