What Are Proteins? Proteins are essential building blocks of the body, found in muscles, skin, hair, and almost every tissue. They form enzymes, hemoglobin, and other molecules that keep us alive and functioning. Adults need about 1 gram of protein per kilogram of body weight daily to maintain muscle and overall health.
Protein comes from both animal and plant sources. Lean meats, fish, poultry, beans, nuts, and whole grains are excellent choices. While high-protein diets can aid weight control by keeping you full longer, overconsumption may strain bones if sustained for years.
Nuts and soy provide protein along with heart-healthy nutrients. Regular nut consumption has been linked to lower risk of heart disease, while soy protein may help lower cholesterol and support bone and hormone health. Moderation and variety are key—balancing protein with fruits, vegetables, and whole grains ensures optimal nutrition.
