More protein in your breakfast or snacks won't give you more muscle without more work

Drinking raw eggs for protein, as depicted in the movie Rocky, is not an effective method for building muscle. The scene emphasized Rocky's toughness rather than promoting a protein-rich diet. Today, protein shakes, bars, and other protein-enhanced foods have replaced this method. Grocery stores are filled with protein-enriched products, indicating consumers' growing interest in protein.

However, consuming more protein does not guarantee increased muscle mass without proper exercise and training. Protein is one of the three essential macronutrients needed for the body to function, alongside carbohydrates and fats. While protein is crucial for building and repairing muscles, it is also vital for the nervous system, immune system, skin, hormones, and other essential components.

Proteins consist of amino acids, with 20 different types, and the body obtains these through digestion of consumed proteins. Essential amino acids, which the body cannot produce on its own, must be obtained from food. Animal proteins, like eggs, dairy, fish, poultry, and lean meats, are excellent sources of essential amino acids.

Plant-based proteins, such as beans, nuts, and rice, are often low in one or more essential amino acids. Therefore, a varied diet including both animal and plant protein sources is recommended for optimal health. The U.S. government recently increased the recommended daily allowance (RDA) of dietary protein from 0.8 grams per kilogram of body weight to 1.2–1.6 grams per kilogram.

This update aims at promoting overall health, not just preventing protein deficiency, and the necessary protein intake varies depending on individual factors such as age, sex, activity level, and health history. While moderate protein intake is generally safe, excessive protein consumption can lead to health issues like kidney damage and digestive problems.