Having a strong immune system requires a well-balanced diet containing proper amounts of all essential nutrients -- including protein.

Soy protein powder is a common source of plant-based protein used in many weight loss and sports nutrition supplements. Soy’s effects on women have been extensively studied due to soy’s estrogen-like compounds called isoflavones. Choosing soy over other types of protein may provide certain health benefits.

Hydrolyzed soy protein is a type of edible soy manufactured through the chemical processing of natural soy. Manufacturers commonly refer to hydrolyzed soy protein as vegetable protein. However, this label is somewhat misleading since not all vegetable protein derives from soy.

Protein powder comes from many different dietary sources, including milk, whey and casein, eggs, hemp and soybeans. No matter the source, protein powder can lead to a loss of appetite, which is a desirable effect if you’re looking to lose weight.

Producers of soy protein isolate, a high-protein supplement that comes in powdered form, promote it as an aid for gaining muscle and improving body composition.

Protein is an essential nutrient that your body needs. Your body is constantly breaking down proteins in your cells, organs and tissues. Protein from the food you eat, breaks down into amino acids that replace proteins in your body.

Your body uses carbohydrates as its main source of energy. The 2010 Dietary Guidelines for Americans, provided by the U.S. Department of Agriculture and the U.S. Department of Health and Human Services, recommend keeping your carbohydrate intake between 45 and 65 percent of your daily calories.

Getting enough protein in your diet is essential when trying to build muscle, and protein powders can help you meet your needs. Whey protein is considered fast-acting and easily absorbed. You can choose either whey protein concentrate or whey protein isolate, with the latter being a slightly better source of protein.

Copper is necessary for several bodily functions, but you only need a small amount of it each day. While rare, consuming too much copper can lead to toxicity, which is characterized by many adverse symptoms. An inherited condition known as Wilson’s disease can also result in an excess buildup of copper within the body.

Whey is a type of protein that comes from cow’s milk. Although whey protein supplements and drink mixes are a quick way to consume protein, they may not be suitable for individuals with certain digestive disorders, such as Crohn’s disease.

The United States' status as the world's melting pot comes with many advantages, including enjoying foods from cultures around the globe. Commonly considered a German dish, sauerkraut, or pickled cabbage, originated in China and remains a dietary staple in many Asian and European countries.

Muscle growth and maintenance take place during a metabolic process called muscle protein synthesis. Your body is in a constant state of requiring energy, and one way it can meet its energy needs is by consuming the protein in your muscles.