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A low-protein diet puts less strain on the kidneys.
A low-protein diet puts less strain on the kidneys. As a result, this type of diet can benefit people with kidney-related disorders, such as kidney disease or phenylketonuria. When a person eats protein, the body produces a compound called urea. If the kidneys are not functioning well, urea can build up in the blood and cause fatigue and a loss of appetite. By making key changes, a person can develop a satisfying and diverse low-protein diet plan that works for them.
In this article, we discuss the benefits and risks associated with a low-protein diet. We also list some of the best foods to eat and avoid when limiting protein intake. Replacing some meat with vegetables and grains is an effective way to reduce protein intake. Vegetables and grains should form the main body of meals, with a supplementary protein source. A person following a low-protein diet can get most of their calories from the foods below, which are relatively low in protein.
Many other types of food are low in protein, and a person should use moderation when incorporating them into the diet. Some of these foods include:. On a low-protein diet, people should eat foods that contain moderate amounts of protein sparingly. Examples include:. A low-protein diet involves eating less protein than this each day.
Some people cannot tolerate high levels of protein. If the body cannot process protein or its waste, these substances build up and cause symptoms ranging from nausea and vomiting to brain damage.
By reducing protein intake, people with kidney disease who are not on dialysis can reduce stress on their kidneys and prevent the buildup of urea in the bloodstream. The body produces urea, a compound, during the digestion of protein.
In people who do not have kidney problems, urea leaves the body through the urine, without causing issues. However, when the kidneys do not function correctly, urea builds up in the blood and causes symptoms such as nausea, fatigue, and loss of appetite. A review of 17 studies reports that very low protein intake may slow down the progression of advanced kidney failure.
The National Kidney Foundation advise that limiting protein intake can extend the amount of time before a person needs dialysis. Those already receiving dialysis treatment should not follow a very low-protein diet. A review of several studies reports that a low-protein diet may improve the symptoms of diabetic nephropathy, which refers to diabetes-induced kidney damage. The research did not uncover adverse effects of the diet, such as worsening of other diabetes symptoms.
Phenylketonuria PKU is a rare disorder that occurs when the body does not produce the enzyme needed to break down an amino acid called phenylalanine.
Amino acids are the building blocks of protein. For a person who has PKU, eating foods rich in protein can cause phenylalanine to build up in the body. If people with PKU do not receive treatment, it can lead to intellectual disability and other neurologic symptoms, such as hyperactivity, poor coordination, and seizures. The main treatment for PKU is a lifelong, very low-protein diet. People with the condition should consume only the minimal amount of phenylalanine necessary for healthy growth and development.
A buildup of methionine causes problems with vision and bone health. Authors of a review of research suggest that a low-protein diet may also provide some benefits for people without kidney problems. They report that in middle-aged but not older adults, restricting protein intake may reduce the risk of:.
Other research , published in the journal Cell Reports , indicates that a diet low in protein and high in carbohydrates may help protect brain health and reduce cognitive decline.
However, the scientists only conducted this research in mice and cannot be sure of the effects in humans. However, they only tested this in mice. When following a low-protein diet, it can be helpful to think of vegetables and grains as the main components of a meal. A person should consider meat, pulses, and soy products to be side dishes or condiments. The National Institutes of Health NIH report that most people, whether they have kidney disease or not, can meet their protein needs with just 2 servings of meat or meat substitutes each day.
A serving is 3 ounces, or the size of a deck of cards. Protein is an essential nutrient, so even people on a low-protein diet need to consume a certain amount of protein to stay healthy.
However, high-protein foods should make up only a small part of the daily caloric intake. Plant-based dairy alternatives often contain less protein. Learn about plant-based alternatives to dairy products, including milk, cheese, and butter here. Typically, people should only restrict their protein intake to this extent when a doctor advises them to do so.
Following a low-protein diet requires careful planning. Otherwise, it could lead to nutritional deficiencies and other health issues, including muscle loss and poor immune function. Also, protein restriction is not suitable for everyone. For example, research suggests that older adults may need extra protein, due to the muscle wastage associated with advancing age.
Furthermore, sticking to this type of diet can prove challenging for many, but with some planning, a low-protein diet can be healthful and satisfying. A person on a low-protein diet may need to take certain supplements to stay healthy. Vitamin B, for example, is only present in animal products and fortified foods.
People who restrict their intake of meat and fish may not get enough B from food sources, so they may need to take supplements or eat foods fortified with this vitamin, such as some cereals and plant-based milks. Discuss the use of supplements with a doctor or dietician before beginning a low-protein diet and stay in regular contact with healthcare professionals. Researchers suggest follow-up visits every 3 to 4 months when on this diet.
People with kidney-related health conditions may need to follow a low-protein diet. The diet involves restricting the intake of high-protein foods and focusing on eating plenty of fruits, vegetables, and healthful fats. Doctors do not usually recommend a low-protein diet for people without health conditions because of the risk of nutritional deficiencies and other health issues. Anyone considering this type of diet should consult their doctor first.
With planning, a low-protein diet can be varied and healthful. Peanut butter can be a good source of some nutrients, but it does contain certain ingredients that might worsen acne.
Learn about the real risk here. It also looks at the causes of high cholesterol…. The egg fast is a version of the ketogenic diet. This article explains what the egg fast is and looks at the possible benefits and risks of following….
What to know about a low-protein diet. Foods to eat. Share on Pinterest Fresh fruit and most vegetables can play a big role in a low-protein diet. Who should follow a low-protein diet?
General benefits of a low-protein diet. Recipe ideas. Share on Pinterest Burritos with a small portion of beans can be a satisfying low-protein meal. Other tips for a low-protein diet.
Foods to avoid. Staying healthy on a low-protein diet. Share on Pinterest A person should restrict their protein intake if a doctor advises it. Latest news Compound isolated from sea sponge fights cancer cells. Resilience in the age of global crises: How can we cultivate it? Study reveals dietary factors associated with mental health. Related Coverage. Does peanut butter cause acne? Everything to know. What is the egg fast and should you try it? Medically reviewed by Grant Tinsley, PhD.
Being a teenager can be fun, but it can also be difficult as your body shape changes. There can be pressure from friends to be or look a certain way, and this might affect the foods you eat. Following a sensible, well-balanced diet is a much better option, both for now and in the long term. Eating three regular meals a day with some snacks will help you meet your nutrition needs. Here is a guide to help you understand the value of what you eat. It is better not to drink flavoured waters or sports drinks because they can lead to more weight gain.
Your doctor may even have referred you to a registered dietitian to create a personal diet plan. Eating healthfully can make you feel better, too. Just follow these healthy diet tips. A reduced carbohydrate diet results in lower carbon dioxide production. This may help people with COPD better manage their health.
The nutritional status indicators for the CDC Growth Charts include obesity, overweight, underweight, and short stature. Percentiles are used to rank an individual or a group on a growth chart and indicate where either fits in the context of the reference population. The definition of nutritional status indicators recommended for use to screen children using the CDC Growth Charts are listed below:. World Health Organization. An appropriate reference population, accurate measurements and age calculations are important factors when assessing childhood growth.
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Use the Healthy Eating Plate as a guide for creating healthy, balanced meals—whether served on a plate or packed in a lunch box. Put a copy on your refrigerator to serve as a daily reminder! Whole and intact grains—whole wheat, barley, wheat berries, quinoa , oats , brown rice , and foods made with them, such as whole wheat pasta—have a milder effect on blood sugar and insulin than white bread, white rice, and other refined grains. Fish, poultry, beans , and nuts are all healthy, versatile protein sources—they can be mixed into salads, and pair well with vegetables on a plate. Limit red meat, and avoid processed meats such as bacon and sausage. Choose healthy vegetable oils like olive, canola, soy, corn, sunflower, peanut, and others, and avoid partially hydrogenated oils, which contain unhealthy trans fats.
Carbohydrates are the main source of energy for the body. They are the sugars, starches, and dietary fiber that occur in plant foods and dairy products. Carbohydrates are mainly found in plant foods. They also occur in dairy products in the form of a milk sugar called lactose. Foods high in carbohydrates include bread, pasta, beans, potatoes, rice, and cereals. Byproducts of carbohydrates are involved in the immune system , the development of disease, blood clotting, and reproduction. This article looks at types of carbohydrates, nutrition, and their effects on health.
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