Proteins
This item contains:
Red meat
Poultry
Fish
eggs
Legumes
The importance of proteins when following a healthy diet lies in several things, such as:
Proteins serve as building blocks for bones, muscles, cartilage, skin, and blood. Additionally, enzymes, hormones, and vitamins are synthesized from proteins.
Proteins are rich in a group of B vitamins that play a crucial role in maintaining the health of the nervous system. They also assist in the formation of red blood cells and tissue building.
Proteins contain iron, which carries oxygen in the blood.
It contains magnesium, which is used in building bones.
It contains zinc, which is important in chemical reactions.

Carbohydrates
This item contains:
Cereals
The rice
Wheat
Barley
Oats
The importance of carbohydrates when following a healthy diet lies in several things, such as:
Reduces the risk of developing some chronic diseases such as heart disease, obesity, and diabetes.
Helps lower blood cholesterol levels.
Helps lose weight.
Prevents constipation.

Calcium
This item contains:
Milk
Milk products
It is preferable to choose low-fat or fat-free types
The importance of calcium when following a healthy diet lies in several things, such as:
It supports bone health and protects against osteoporosis.
Reduces the risk of heart disease, high blood pressure, and diabetes.
Vitamin D found in dairy products helps maintain calcium and phosphorus levels in the body.

Fats
There are two types of unsaturated fats:
Monounsaturated fats are found in olive oil, avocado, cashew nuts, and almonds.
Polyunsaturated fats, such as omega-3, is found in fatty fish, and omega-6, is found in soybean oil and Brazil nuts.
The importance of fats when following a healthy diet lies in several things, such as:
Unsaturated fats help prevent heart disease.
Reducing blood cholesterol level.

Vitamins
Healthy foods that include vegetables and fruits are an important source of vitamins and minerals. They are also rich in fiber, potassium, and antioxidants that help prevent chronic diseases. The types of vegetables and fruits in meals must be diversified. Because each different type gives the body different nutrients.
The importance of vitamins when following a healthy diet lies in several things, such as:
Helps prevent heart disease.
Rich in folic acid, which reduces the risk of having a child with brain and spinal cord deformities.
Helps maintain a normal level of blood pressure.

Tips for a healthy diet
A healthy diet is a balanced lifestyle. It is not limited to eating a specific type of food, but rather it is a healthy lifestyle for life, and the elements we mentioned must be diversified for the nutritional value to be complete.
Below are some tips when following a healthy diet for weight loss:
Doing exercise.
Drink sufficient amounts of water.
Reduce the amount of salt in food.
Eat plenty of vegetables and fruits.
Reduce your intake of saturated fats and sugar.
Eat the healthy amount of calories that suits each person and his daily activities.

Healthy diet after bariatric surgery
Bariatric patients, in particular, need a diet after bariatric surgery, especially in the first months after the operation, to prepare the stomach for its new size and the changes that have occurred to it.
There are many bariatric surgeries, including gastric sleeve, endoscopic sleeve gastroplasty, gastric balloon, and gastric bypass, which many do, but regardless of the names and method of treatment for each case, the patient must follow a diet to regulate the foods and prepare the stomach for change and a healthy lifestyle.
For this reason, a special diet is followed in the first and second weeks of the operation. This diet contains liquids only, then in the third and fourth weeks food can be added in liquid form, and thus the consistency of the food increases until the sixth week.
We can then follow a healthy diet to achieve the desired weight loss result.