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  1. High Protein Foods: 16 Foods for High Protein Meals - Healthline

    Feb 10, 2025 · Getting enough protein daily is essential for your overall health. Healthy protein sources include eggs, nuts, lean meats, fish, dairy, and certain grains.

  2. Protein - Wikipedia

    Proteins can work together to achieve a particular function, and they often associate to form stable protein complexes. Once formed, proteins only exist for a certain period and are then degraded and …

  3. Protein: What It Is, Types, Uses, Needs, Deficiency

    Oct 11, 2025 · A protein is a large, complex molecule that is a key building block of life. We all know that it is an important part of our diets, but how many of us know how protein actually works in our bodies, …

  4. Protein | Definition, Structure, & Classification | Britannica

    Feb 3, 2026 · A protein is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds. Proteins are present in all living organisms and include many …

  5. What is protein? High protein foods, explained by nutritionists

    Jan 19, 2026 · What is protein? Protein is one of the body’s three macronutrients, along with carbohydrates and fat. Each provides calories and energy, but they serve different purposes.

  6. Protein: Why Your Body Needs It - WebMD

    Sep 11, 2024 · Your body needs protein to stay healthy and work the way it should. More than 10,000 types are found in everything from your organs to your muscles and tissues to your bones, skin, and …

  7. Protein - The Nutrition Source

    Protein is found throughout the body—in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many chemical reactions and the hemoglobin that …

  8. What Protein Does for Your Body and If You're Getting Enough

    May 14, 2025 · Proteins are made up of amino acids and are found in every cell of the body. Protein is essential for bone, muscle, digestive and metabolic health. For optimal health, enjoy a variety of …

  9. What are proteins and what do they do?: MedlinePlus Genetics

    Mar 26, 2021 · There are 20 different types of amino acids that can be combined to make a protein. The sequence of amino acids determines each protein’s unique 3-dimensional structure and its specific …

  10. The Top 10 High-Protein Foods for Weight Loss - GoodRx

    Jan 7, 2026 · High-protein foods can support weight goals by helping you feel full, curbing cravings, and preserving muscle during weight loss. The best high-protein foods for weight loss include lean …