Carbohydrates are macronutrients found in food that provide energy for the body. According to Harvard TH Chan School of Public Health (USA), a low-carbohydrate diet can help you lose weight and maintain weight, and can also reduce triglycerides and control blood sugar.
Chicken
Skinless chicken breast is an extremely lean, protein-rich food, containing 82% protein, 18% fat, 0 carbohydrates; equivalent to 267 calories, 54.5 grams of protein and 5.5 grams of fat in a serving of about 170 grams.
Chicken meat provides many vitamins and minerals such as iron, magnesium, potassium, selenium, and vitamin B12.
Pork
Pork, like chicken, contains no carbohydrates in its pure, natural form. About 170 grams of pork provides 243 calories, 6 grams of fat, and 44.5 grams of protein.
Pork tenderloin provides 37% of your daily value of zinc in the same 170-gram serving; it's also loaded with potassium, iron, magnesium, and plenty of vitamin B12.
Beef
Beef in its natural form contains absolutely no carbohydrates. 170 grams of beef has 199 calories, rich in zinc, iron, potassium, providing 90% of your daily energy value.
However, people with high blood sugar need to eat the right amount, because this is a type of meat that contains high nutritional content.