
Chicken, fish, and lentils are all good sources of protein. While chicken and fish are complete proteins, containing all nine or ten essential amino acids, lentils are a good plant-based alternative. A 3-ounce serving of skinless chicken breast contains 26 grams of protein, while 3 ounces of baked cod provides 22 grams. Lentils, on the other hand, offer 17.9 grams of protein per cooked cup (about 7 ounces). This article will explore the protein content and other nutritional benefits of these foods to help you decide which is the best option for your diet.
Chicken, Fish, or Lentils: Which Has the Most Protein?
| Characteristics | Values |
|---|---|
| Chicken breast (skinless), boneless | 19.6g of protein per 100g |
| Chicken breast (with skin) | Contains more fat than skinless chicken |
| Chicken breast (cooked) | 26g of protein per 3-ounce serving |
| Chicken | Lean protein, contains some nutrients but not a lot |
| Fish | Generally contains more protein than animal products |
| Baked cod | 22g of protein per 3-ounce serving |
| Fatty fish (e.g., salmon, sardines, mackerel) | High in omega-3 fatty acids, linked to improved health |
| White fish | Lower in fat than fatty fish |
| Seafood | Easier to digest than animal protein, higher in omega-3 fatty acids |
| Lentils | 17.9g of protein per cup, high-protein plant-based alternative, contains fiber, copper, phosphorus, manganese |
| Beans, peas, tofu, tempeh | Plant-based protein options, can be paired with whole grains |
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What You'll Learn

Chicken breast has 26g of protein per 3-ounce serving
Chicken breast is a popular choice for adding protein to your diet. A 3-ounce serving of skinless chicken breast contains 26 grams of protein, while the same amount of baked cod provides 22 grams. Chicken breast is a lean protein source with minimal fat, but the fat content increases if you leave the skin on or opt for chicken thighs.
While chicken is a good source of protein, it is not the only option, and it is beneficial to vary your protein sources. Lentils, for example, offer a high-protein, plant-based alternative. A typical serving size of 1 cup of cooked lentils (about 7 ounces) delivers 17.9 grams of protein. This is comparable to the protein content of chicken, but lentils also provide dietary fiber, copper, phosphorus, and manganese, which you cannot get from meat.
In addition to chicken, fish, and plant-based sources, there are other foods that provide high amounts of protein. These include dairy products such as Greek yogurt and cottage cheese, as well as other meats like beef and pork. It is important to consider not just the amount of protein in a food but also the overall nutritional content, including fat, carbohydrates, and fibre, to determine the healthiest choices.
When it comes to protein sources, variety is key. Both fish and chicken can be healthy additions to your diet, but it is beneficial to explore other options as well. Beans, tofu, tempeh, and other plant-based proteins provide excellent alternatives and can be paired with whole grains for a complete protein profile. Cooking methods also matter; grilling, baking, and poaching are healthy ways to prepare fish and chicken that minimize added fat and preserve nutrients.
In summary, while chicken breast boasts an impressive 26 grams of protein per 3-ounce serving, it is important to include a variety of protein sources in your diet, such as lentils, fish, dairy, and plant-based options, to ensure a well-rounded and nutritionally complete meal plan.
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Fish is a good source of omega-3 fatty acids
Fish is a good source of protein and, unlike fatty meat products, it is not high in saturated fat. Fatty fish, in particular, is a good source of omega-3 fatty acids, which are good for your heart. Omega-3 fatty acids are considered "healthy fats" that are essential to human growth and development. They are also essential nutrients that you need to get from your diet as your body cannot produce them on its own.
There are three main types of omega-3 fatty acids: EPA (eicosapentaenoic acid), DHA (docosahexaenoic acid), and ALA (alpha-linolenic acid). EPA and DHA are marine omega-3 fatty acids found in seafood, while ALA is a type of omega-3 fatty acid found in plants. Fatty fish such as salmon, sardines, mackerel, anchovies, herring, bluefin tuna, oysters, and mussels are excellent sources of EPA and DHA.
Regularly eating fish and seafood is consistently associated with a lower risk of cardiovascular disease. The American Heart Association recommends consuming two portions of oily fish, such as salmon, each week. Omega-3 fatty acids help lower triglyceride levels in the blood, which, if too high, can increase the risk of atherosclerosis and, subsequently, heart disease and stroke. They also help to reduce inflammation and lower the risk of blood clots.
While plant-based foods also contain omega-3 fatty acids, they are not as rich a source as fish. Additionally, the body needs to convert ALA to EPA and then DHA, which is not a very efficient process. Therefore, getting EPA and DHA directly from fish sources is generally preferred.
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Lentils are a high-protein plant-based alternative
While chicken is often touted as a great source of protein, lentils offer a high-protein, plant-based alternative. In fact, 1.5 cups of lentils contain roughly the same amount of protein as 3 ounces of chicken breast.
Lentils provide a good source of dietary fibre, copper, phosphorus, and manganese, which are not found in meat. They are also low in fat and higher in iron, potassium, and folate than chicken. Lentils can be easily incorporated into your diet through veggie patties or simply boiled and added to salads or curries.
In addition to their nutritional benefits, lentils also have a lower environmental impact than meat. They are easier to prepare and eat, and provide a wider range of health benefits from phyto- and micro-nutrients.
For those seeking a plant-based protein source, lentils are an excellent option. They are versatile, nutritious, and environmentally friendly, making them a great choice for both your health and the planet.
Lentils are a great example of how plant-based proteins can offer a comparable protein content to meat and fish, while also providing additional health and environmental benefits. It is worth noting that plant-based proteins may lack certain essential amino acids, so it is important to have a varied diet and combine them with whole grains to ensure a complete protein profile.
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Chicken is a lean protein source with minimal fat
Chicken is a versatile lean protein source with minimal fat. It is a complete protein, meaning it contains all nine essential amino acids needed for muscle growth, brain function, and overall health. A standard 3.5-ounce serving of chicken breast provides 31 grams of protein, which is ideal for muscle building, repair, and maintenance. Chicken is also a good source of calcium and phosphorus, which are essential for maintaining strong bones.
The lean protein in chicken is an excellent source of amino acids, which are used by our bodies to build muscle tissue, especially as we age. Studies have shown that a higher intake of protein helps to maintain bone mineral density. Eating chicken can help build stronger muscles and promote healthier bones, reducing the risk of injuries and diseases such as osteoporosis.
Chicken is also a good choice for people with specific dietary restrictions, as it is naturally free of carbohydrates and fibre. It is low in fat, with skinless chicken breast being an excellent choice for those seeking to limit their fat intake. The fat content of chicken can vary depending on the cut and preparation methods. Darker cuts like thighs and drumsticks contain higher caloric content than lighter cuts like the breast. Keeping the skin on or frying chicken will also increase the saturated fat content.
When compared to other protein sources, chicken holds its own. A 3-ounce serving of skinless chicken breast contains 26 grams of protein, while the same amount of baked cod provides 22 grams. Chicken is a good alternative to red meat and can be customised to fit different dietary preferences, cultural traditions, and budgets.
In summary, chicken is a lean protein source with minimal fat that offers a range of nutritional benefits and can be prepared in various ways to suit different tastes and dietary needs.
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Seafood is easier to digest than animal protein
Seafood is a great source of high-quality protein, with a 3-ounce cooked serving of most fish or shellfish providing about one-third of the average daily recommended amount. Seafood is also a complete protein, meaning it contains all nine essential amino acids that our bodies cannot produce on their own. These amino acids are vital for building muscle mass, repairing tissues, boosting immunity, and maintaining steady blood sugar levels.
One advantage of seafood over animal protein is that it is easier to digest. This is because seafood has fewer connective tissues, so the gut doesn't have to work as hard after eating. The lack of connective tissues is also why fish flakes easily when cooked. For this reason, seafood can be a good choice for people who have difficulty chewing or digesting their food, such as the elderly.
In terms of fat content, seafood can be divided into two main categories: fatty fish and white fish. Fatty fish like salmon, sardines, and mackerel are rich in omega-3 fatty acids, which have numerous health benefits, including reduced risk of cardiovascular disease, improved brain development, and lower blood pressure. Even the fattiest fish have a similar fat content to lean meats, and overall, seafood is considered low in both total fat and saturated fat. On the other hand, farmed seafood tends to have higher fat levels than wild-caught seafood due to differences in their diets.
While seafood has many nutritional benefits, it is important to consider its sodium and cholesterol content. Most shellfish have higher sodium levels than fish, with crab legs being particularly high in sodium. Additionally, while most types of fish and shellfish contain well under 100 milligrams of cholesterol per 3-ounce cooked serving, shrimp and squid have higher levels.
In summary, seafood is a nutritious option that is easier to digest than animal protein due to its lower connective tissue content. It is a good source of complete protein and offers additional benefits such as omega-3 fatty acids and vitamins. However, it is important to be mindful of the sodium and cholesterol content of certain types of seafood.
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Frequently asked questions
A 3-ounce serving of skinless chicken breast contains 26 grams of protein, while the same amount of baked cod contains 22 grams. Lentils, on the other hand, deliver 17.9 grams of protein per cooked cup. Therefore, chicken has the highest protein content among the three, followed by fish and then lentils.
Yes, there are numerous other sources of protein, including plant-based and animal-based options. Plant-based sources include tofu, beans, tempeh, dairy products, nuts, seeds, and whole grains. Animal-based sources include red meat, such as sirloin steak, and other types of seafood like mussels and salmon.
Chicken, particularly skinless chicken breast, is a lean protein source with minimal fat. It is also a complete protein, meaning it contains all nine essential amino acids required by the body. Chicken is also versatile and can be prepared in various healthy ways, such as grilling, baking, and poaching, to minimize added fat and preserve nutrients.
Fish is an excellent source of complete protein and is easier to digest than animal protein due to its lower connective tissue content. Fatty fish like salmon, sardines, and mackerel are rich in omega-3 fatty acids, contributing to heart health and reduced inflammation in the body. Fish is also a tasty way to incorporate protein into your diet, with various options to choose from.
Lentils offer a high-protein, plant-based alternative to animal protein. They provide dietary fiber, copper, phosphorus, manganese, and iron, which may not be available from meat sources alone. Lentils are also low in fat and calories, making them a nutritious and healthy option to include in your diet.











































