Protein is a vital macronutrient necessary for various bodily functions, including tissue repair, muscle maintenance, and immune support. Healthy adults should consume at least 0.8 grams of protein per kilogram of body weight daily, though individual needs may vary. However, excessive protein intake can lead to several health issues. Strain on the kidneys is a primary concern, as they work harder to filter out the by-products of protein metabolism. This is particularly problematic for individuals with pre-existing kidney conditions. Moreover, increased protein consumption can lead to dehydration since the kidneys require more water to process the excess nitrogen and urea. Weight gain is another potential consequence, as surplus protein calories can be stored as fat if not utilized for metabolic functions. Additionally, diets high in protein but low in fiber may cause digestive discomfort, including bloating and constipation. Long-term reliance on high-protein diets, especially those rich in red and processed meats, can elevate the risk of heart disease and negatively affect bone health by disrupting calcium balance. Lastly, very high protein intake may induce ketosis, leading to symptoms like fatigue and irritability. It is essential to maintain a balanced diet and consult healthcare professionals for personalized dietary advice.