Brenda Khan
Lean protein is an essential part of a healthy diet. It helps with muscle growth, aids in maintaining a healthy body weight, and is a building block for bones, cartilage, muscle, blood, and skin. The percentage of protein in a lean diet varies depending on the specific diet and the individual's needs, but it typically ranges from 10 to 35% of total calorie intake. Lean proteins include animal sources such as skinless chicken breast, pork loin, and seafood like salmon, as well as plant-based sources like tofu, beans, and quinoa. These foods provide high-quality protein while being lower in unhealthy fats and calories compared to non-lean options.
What percent of a lean diet is protein?
| Characteristics | Values |
|---|---|
| Dietary Guidelines for Americans 2020-2025 protein RDI for an adult consuming 2,000 calories a day | 5.5 ounces or 10-35% of total calorie intake |
| Lean animal proteins | White-fleshed fish, skinless poultry, cuts of red meat such as loin and round |
| Lean plant proteins | Tofu, beans, legumes, quinoa, cottage cheese, yoghurt, nuts, seeds, and soy products |
| Lean meat | Chicken, turkey, beef, pork loin, and skinless chicken breasts |
| Seafood | Salmon, tuna, mackerel, anchovies, trout, cod, flounder, and shellfish |
| Dairy | Low-fat milk, cottage cheese, Greek yoghurt, and skimmed yoghurt |
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What You'll Learn
Lean protein sources
White-fleshed fish, such as cod, haddock, grouper, halibut, tilapia, and bass, are considered very lean and are excellent sources of protein with little fat and relatively few calories. Salmon, trout, and other darker-fleshed fish are also good lean protein sources, as they contain higher amounts of healthy omega-3 fats and are associated with a lower risk of heart disease and diabetes.
Skinless poultry, such as chicken and turkey breasts, is another lean protein option. Lean meats include certain cuts of beef, such as round steak, top sirloin, and ground beef that is at least 90% lean. Pork tenderloin, pork chops, and pork top loin or sirloin roasts are also considered lean, providing high-quality protein and nutrients like B vitamins, selenium, and zinc.
For plant-based sources of lean protein, legumes, beans, peas, lentils, and soy products like tofu and tempeh are excellent options. They are high in protein, fiber, and other essential nutrients. Quinoa is another plant-based lean protein source, offering around 5 grams of protein per 1/4 cup serving, along with healthy fiber and other nutrients.
Low-fat dairy products, such as milk, cottage cheese, and Greek yogurt, are also good sources of lean protein, providing essential nutrients like calcium, vitamins, and minerals. Additionally, eggs, particularly egg whites, are a lean animal protein option that can be incorporated into a balanced diet.
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Lean animal proteins
White-fleshed fish
White-fleshed fish, such as cod, haddock, grouper, halibut, tilapia, and bass, are excellent sources of protein with minimal fat and relatively few calories. For example, a 3-oz serving of wild salmon provides 118 calories, 0.9 grams of saturated fat, and 20 grams of protein, in addition to 944 milligrams of omega-3 fatty acids. Eating fish regularly is linked to a reduced risk of cardiovascular disease and diabetes.
Skinless poultry
Skinless chicken and turkey breasts are good alternatives to red meat, providing lean protein. A 3-ounce serving of roasted turkey breast, for example, has 125 calories, 0.5 grams of saturated fat, and 25.6 grams of protein.
Lean cuts of red meat
Some cuts of red meat, such as the round and loin, are leaner than others. For instance, a 3-ounce serving of grilled top round steak has 138 calories, 1.3 grams of saturated fat, and 25.6 grams of protein. Lean cuts of pork, such as pork tenderloin, pork (loin) chops, and pork top loin or sirloin roasts, are also good options.
Seafood
Seafood is another smart choice for lean animal protein. For example, a 3-ounce serving of steamed scallops provides 17 grams of protein with less than 100 calories and just 0.2 grams of saturated fat. Shrimp is also a good option, with a 3-ounce serving containing 101 calories, 0.4 grams of saturated fat, and 19 grams of protein. Oysters are high in protein and low in calories, with four steamed oysters providing 5.5 grams of protein and only 49 calories.
Dairy
Low-fat dairy products like milk, cottage cheese, and yogurt are good sources of lean animal protein. A cup of 1% low-fat milk has about 106 calories, 8.3 grams of protein, and 1.4 grams of saturated fat. Plain low-fat Greek yogurt is also an excellent option, with a 7-ounce container providing about 146 calories, 19.9 grams of protein, and 2.5 grams of saturated fat.
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Lean plant proteins
According to the Dietary Guidelines for Americans 2020-2025, the recommended protein intake for an adult consuming 2,000 calories per day is about 5.5 ounces or 10-35% of total calorie intake. While lean animal proteins such as fish, skinless poultry, and specific cuts of red meat are great sources of protein, this paragraph will focus on lean plant proteins.
Plant-based proteins such as legumes, beans, and peas are excellent sources of lean protein. They are naturally cholesterol-free and provide other health benefits due to their high fiber, folate, and phytate content. Phytates, for example, are plant-based antioxidants that may help reduce the risk of certain types of cancer, heart disease, and high blood pressure. Additionally, beans and legumes are high in protein and low in calories and fat, making them a nutritious choice for those seeking a lean diet.
Tofu, a soy product, is another example of a lean plant protein. It is versatile and can be used in various dishes. Like beans and legumes, tofu is high in protein while being low in calories and fat. This makes it an excellent option for those seeking to increase their protein intake while maintaining a lean diet.
Quinoa is a whole grain that serves as another good source of lean plant protein. A 44-gram serving of quinoa provides 5 grams of protein and 2 grams of dietary fiber, which is beneficial for weight management. Quinoa is also a good source of fiber and can be a nutritious rice substitute.
For those seeking a convenient way to incorporate lean plant protein into their diet, there are several plant-based protein powders available. One Sol Lean Plant Protein Powder, for instance, is a vegan-friendly option made from pea protein isolate and brown rice. It contains 21 grams of protein per scoop, is low in calories, and is fortified with vitamins and minerals.
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Lean meat and health
Lean meats are a good source of protein and have a lower fat and calorie content compared to non-lean meats. They are particularly popular among people following low-calorie and low-fat diets. Lean meats include white-fleshed fish, skinless poultry, and cuts of red meat such as loin and round.
The muscle in meat is approximately 75% water, 20% protein, and 5% fat, carbohydrates, and minerals. Lean meats provide moderate levels of purines, which can be useful for the body but may increase the chance of gout for susceptible individuals. Lean meats are also a good source of selenium, vitamins B3 and B6, and choline. Selenium has antioxidant properties that help prevent free radicals from damaging cells and also boost the immune system. Vitamins B3 and B6 help the body convert carbohydrates into glucose, while vitamin B3 also aids in the production of stress and sex hormones. Choline helps with nerve function and can reduce inflammation.
In addition to lean meats, there are also plant-based sources of lean protein, including legumes, beans, and low-fat dairy. Legumes and beans are lean plant-based proteins that are naturally cholesterol-free and high in fiber, folate, and phytates, which are plant-based antioxidants that may help reduce the risk of heart disease, high blood pressure, and certain types of cancer. Low-fat milk is another source of lean protein, providing calcium for healthy bones and teeth. For those who can tolerate dairy, low-fat milk and plain low-fat Greek yogurt are good options to consider.
According to the Dietary Guidelines for Americans 2020-2025, the protein Reference Daily Intake (RDI) for an adult consuming 2,000 calories per day is about 5.5 ounces or 10-35% of total calorie intake. To ensure adequate iron and zinc intake, about half of the recommended servings from the food group should be lean meat. It is important to note that the amount of protein needed can vary depending on age, sex, height, weight, and physical activity level.
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Lean protein and weight loss
Lean protein is an essential part of a healthy, balanced diet. Protein helps build and maintain muscle and tissues in your body and helps regulate many body processes. It also helps promote satiety (fullness) and may aid in weight management.
The amount of protein you need depends on your age, sex, height, weight, and physical activity. It can also depend on whether you are pregnant or breastfeeding. For example, if you are trying to gain muscle mass, a higher-protein diet can help support muscle repair and growth.
The protein Reference Daily Intake (RDI) for an adult who eats 2,000 calories a day is about 5.5 ounces (oz) per day or 10-35% of total calorie intake.
If you are looking to lose weight, a high-protein diet may help. Research shows that adding more protein to your diet while reducing your calories can help reduce the buildup of harmful fats in your body, especially around your abdomen. However, the value of high-protein diets for weight loss remains controversial. While a high-protein diet can lead to weight loss and prevent weight regain, it may also come with health risks if maintained for long periods. These risks include a lack of fiber or nutrients, an increased risk of heart disease, and worsened kidney function.
Lean animal proteins include white-fleshed fish, skinless poultry, and cuts of red meat such as loin and round. Pork tenderloin, pork (loin) chops, and pork top loin or sirloin roasts are also considered lean. Lean animal proteins are a good source of protein while containing less fat and fewer calories.
Seafood is another smart choice for lean animal protein, as it is packed with vital nutrients like heart-healthy omega-3 fatty acids and has less saturated fat and cholesterol than any other animal protein. Salmon, trout, anchovies, and tuna are good options, as they are also natural sources of vitamin D.
Low-fat dairy products like cottage cheese, yogurt, and milk are also good sources of lean protein.
If you are vegetarian or vegan, you can get enough protein from plant-based sources. Plant proteins like beans, tofu, and powdered peanut butter offer ample protein. Legumes, peas, lentils, nuts, seeds, and soy products are also good sources of protein.
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Frequently asked questions
Lean protein is a source of protein that contains less than 10 grams of total fat and fewer than 4.5 grams of saturated fat per 100-gram serving.
Lean animal proteins include white-fleshed fish, skinless poultry, and cuts of red meat such as pork loin, pork tenderloin, and sirloin beef.
Lean plant-based proteins include tofu, quinoa, legumes, beans, and peas.
Lean protein helps to reduce the risk of heart disease and lower cholesterol levels. It also aids in weight management and provides essential amino acids.
The amount of lean protein a person should eat depends on their age, sex, height, weight, and physical activity level. It is recommended to vary protein sources and choose leaner meats and poultry to ensure adequate nutrient intake.
