Some high-protein diets limit carbs so much that you might not get enough nutrients or fiber. This can cause problems such as bad breath, headache and constipation. Some high-protein diets allow red meats, processed meats and other foods high in saturated fat. These foods may increase your risk of heart disease.

Extra protein intake also can lead to elevated blood lipids and heart disease because many high-protein foods you eat are high in total and saturated fat. Extra protein intake, which can tax the kidneys, poses an additional risk to people predisposed to kidney disease.

Not only does eating protein help prevent muscle breakdown, but it can also help build muscles. Combining regular activity and exercise with protein intake promotes muscle growth. High-quality proteins contain all of the essential amino acids and are rich in branched-chain amino acids (bcaas.

Both chicken thighs and breasts are good sources of lean protein. However, they differ in the amount of calories, fat and saturated fat.

Ribeye steak is a delicious and nutritious option for those aiming to gain muscle mass. This steak is high in protein, which is necessary for muscle tissue growth and maintenance. Ribeye steak is also high in zinc and iron, two minerals essential for muscle health.

Lentils are good source of protein. A ½ cup serving of cooked lentils provides about 12 grams of protein. With such high protein content, you are sure to be fuelled up all day long. Did you know.

In general, most adults should target their diets to comprise of 45-65% carbohydrates, 10-35% protein and 20-35% fat. (if you're trying to lose weight, the number should be adjusted to 10-30% carbohydrates, 40-50% protein and 30-40% fat.

Both chicken and eggs are a low calorie and high protein option. However, chicken contains double the amount of protein than eggs per serving, emerging as a clear winner. Not only that, but chicken also contains less cholesterol in comparison to eggs, making it a much healthier food choice.

Chicken drumsticks are an excellent source of protein, essential amino acids and several vitamins and minerals.

Casein protein is often labeled a 'slow' protein because it takes longer to digest, leading to a slower release of amino acids over a longer period of time, according to a study published in 2013 in the 'journal of sports science and medicine.

Best of all, black lentils are the most nutritious variety of lentils, boasting the highest amount of protein, plus high levels of calcium, potassium, and iron.

Eggs. There are 20 amino acids, and each has a different role in the human body. Eggs have a complete amino acid profile, making them ideal for those who want to build lean muscle and strength, lose fat or recover faster from training.

Cheese is a nutrient-dense dairy food, providing protein, fats, and minerals. Some hard block cheeses that contain little moisture like parmigiano-reggiano and aged cheddar are easily stored and travel well because they do not require refrigeration.

Nonessential amino acids include: alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. Conditional amino acids are usually not essential, except in times of illness and stress.

Soybeans are considered a whole source of protein. This means that they provide your body all the essential amino acids it needs.