For most healthy people, a high-protein diet generally isn’t harmful, particularly when followed for a short time. Such diets may help with weight loss by making you feel fuller. However, the risks of using a high-protein diet with carbohydrate restriction for the long term are still being studied. Several health problems may result if a high-protein diet is followed for an extended time. If you want to follow a high-protein diet, choose your protein wisely. Good choices include soy protein, beans, nuts, fish, skinless poultry, lean beef, pork and low-fat dairy products. Avoid processed meats. The quality of the carbohydrates carbs you eat is important too.
Background: High-protein diets are effective for weight reduction; however, little is known about the potential adverse renal effects of such diets. Objective: The aim of our study was to compare the effect of a high-protein HP with a normal-protein NP diet on renal hemodynamics and selected clinical-chemical factors. Design: We prospectively studied the effect of an HP diet 2. Filtration fraction and renal vascular resistance were calculated. Twenty-four healthy young men followed the 2 diet protocols for 7 d each in a crossover design. They were individually advised by a dietitian to achieve the planned protein intake by selecting normal foods under isocaloric conditions. Serum and urinary variables and renal hemodynamics were measured on day 7 of both diets. Blood urea nitrogen, serum uric acid, glucagon, natriuresis, urinary albumin, and urea excretion increased significantly with the HP diet.
Long-term consumption of a high-protein diet could be linked with metabolic and clinical problems, such as loss of bone mass and renal dysfunction. However, although it is well accepted that a high-protein diet may be detrimental to individuals with existing kidney dysfunction, there is little evidence that high protein intake is dangerous for healthy individuals. High-protein meals and foods are thought to have a greater satiating effect than high-carbohydrate or high-fat meals. The effect of high-protein diets on the modulation of satiety involves multiple metabolic pathways. Protein intake induces complex signals, with peptide hormones being released from the gastrointestinal tract and blood amino acids and derived metabolites being released in the blood. Protein intake also stimulates metabolic hormones that communicate information about energy status to the brain. Long-term ingestion of high amounts of protein seems to decrease food intake, body weight, and body adiposity in many well-documented studies. The aim of this article is to provide an extensive overview of the efficacy of high protein consumption in weight loss and maintenance, as well as the potential consequences in human health of long-term intake. The protein content of a diet can be considered in terms of the absolute amount consumed, the proportion of total energy intake, or the amount of protein per body weight. High-protein diets are used for weight loss and maintenance, muscle hypertrophy, and postexercise recovery. The optimal dietary protein intake has been analyzed for over a century.