Many foods, both plant and animal, contain proteins. The best sources of protein are meat and poultry, fish, eggs, dairy products, legumes and nuts.
Protein builds up, maintains, and replaces the tissues in our body. It is important for the growth and repair of your muscles, bones, skin, tendons, ligaments, hair, eyes and other tissues.
Proteins are either “complete proteins” or “incomplete proteins”. Complete proteins are those that contain all the amino acids needed to create new proteins. Amino acids are sometimes referred to as the “building blocks” for proteins. Each protein contains approximately 20 amino acids. Most animal proteins are compete proteins.
Incomplete proteins lack one or more essential amino acids, or building blocks, to make up a complete protein. These proteins usually come from plant products. Although it is thought that complete and incomplete proteins have the same effect on your health, because of the structure of the “complete protein” they are able to replenish the proteins in our bodies more efficiently.
Without protein, you would lack the enzymes and hormones you need for metabolism, digestion and other important processes. Protein also assists in creating the antibodies your immune system needs to fight disease. If you are injured, you may need more protein to help your blood clot and make repairs.
Some studies show that increasing your consumption of lean proteins and cutting back on processed and/or refined carbohydrates can not only improve blood triglycerides and cholesterol levels but can help with weight loss as well. Protein takes longer to digest than most carbohydrates which means it takes longer to get from the stomach to the intestine. In turn, this will help you feel fuller longer. In addition, protein has little, if any, effect on your blood sugar levels.
Keep in mind that some protein choices may contain high amounts of saturated fat. Check our fats section for information of how to choose these products wisely.
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