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Lentils: What you should know

Lentils belong to the legume family. They have the appearance of a small bean, grow in pods, and come in red, brown, black, and green colours. They still have a lot of protein and fibre in them.

Lentils are a convenient and fast source of high-quality protein for many people around the world due to their low cost and ease of preparation.

In this post, we’ll look at how lentils can improve your health, as well as their nutritional value and how to integrate them into a healthy diet.


In the United States, there are three major types of lentils. These include:

  • Brown lentils: These have a mild, earthy flavour and keep their shape well, but if overcooked, they will become mushy. These are delicious in soups and as a side dish. They come in a variety of colours, from light brown to black.
  • French green, or Puy, lentils: These have a peppery flavour and a crunchy texture, making them a satisfying salad choice.
  • Red lentils: These are brown Massor lentils that have had their hulls removed and are popular in Middle Eastern and Indian cuisine.

Black Beluga lentils, which resemble caviar and are more costly, are another choice. White lentils, which are black lentils without the hull, and Macachiados lentils, which have a solid, nutty flavour and are frequently used in Mexican dishes, are two types of lentils.

Nutritional value

Lentils are a nutrient-dense food. Minerals, protein, and fibre abound in them.

100 grams (g) of cooked lentils contains:

  • 116 calories (kcal)
  • 9.02 g of protein
  • 0.38 g of fat
  • 20.13 g of carbohydrates, including 7.9 g of fiber and 1.8 g of sugar

Lentils also provide the following essential nutrients:

  • folate
  • iron
  • manganese
  • phosphorus
  • thiamin
  • potassium
  • vitamin B-6

Lentils are also a source of:

  • riboflavin
  • niacin
  • pantothenic acid
  • magnesium
  • zinc
  • copper
  • selenium

Health benefits

Minerals, protein, and fibre are abundant in lentils.

The consumption of all types of plant-based foods has been linked to a lower risk of a variety of lifestyle-related health conditions.

People who consume more healthful plant foods have a lower risk of dying from cardiovascular disease and all causes, according to a 2019 report published in the Journal of the American Heart Association.

Plant-based foods are high in fibre, vitamins, and minerals, and they may also have antioxidant properties. Antioxidants combat free radicals, which are cellular molecules that can cause inflammation and cancer.

Heart health

Fiber, folic acid, and potassium are all abundant in lentils. All of these nutrients are beneficial to heart health.

Increased fibre consumption, according to the American Heart Association (AHA), may lower levels of low density lipoprotein (LDL) cholesterol, or bad cholesterol.

Fiber may not only reduce the risk of cardiovascular disease, but it may also delay the progression of the disease in high-risk individuals.

Lentils are a good source of vitamins, minerals, and fibre. They’re also high in protein and can be used as a meat substitute.

When meat is replaced in the diet with a high fibre food like lentils, the risk of heart disease is reduced.

Lentils’ potassium, calcium, and magnesium have been shown in studies to naturally lower blood pressure. The DASH eating plan includes foods that are rich in these minerals. This diet is recommended by the National Heart, Lung, and Blood Institute (NHLBI) for lowering blood pressure.

Lentils, according to the National Institutes of Health (NIH), are one of the best potassium-rich foods.

Find out more about the DASH diet.


Lentils provide a large amount of folate.

Folate is important in the prevention of neural tube defects in newborns.

This important nutrient can also help to lower the risk of gestational diabetes. According to a 2019 study of 14,553 pregnant women, those who consumed more folate during pregnancy had a lower risk of developing gestational diabetes.

Females of childbearing age should eat at least 400 micrograms (mcg) of folate or folic acid per day, according to the Centers for Disease Control and Prevention (CDC). Women can increase their consumption during pregnancy and breastfeeding, according to the CDC.


Lentils also provide selenium.

Selenium has been shown to slow tumour development. By stimulating the development of T cells, it can also enhance a person’s immune response to infection. T cells are disease killers.

According to the National Institutes of Health, selenium may aid in the prevention of colorectal, prostate, lung, bladder, skin, esophageal, and gastric cancers.

However, further research into the cancer-prevention benefits of selenium is required, as studies on the mineral have yielded mixed results so far.

Fiber can also be linked to a lower risk of colorectal cancer, according to A meta-analysis of 405 articles published in 2019.

Fighting fatigue

Fatigue is often caused by an iron deficiency. The body’s ability to use energy effectively may be harmed by a lack of iron in the diet. Heme and nonheme are the two forms of iron.

Nonheme iron is found in plants, and lentils are an especially good source.

Meat and fish provide heme iron

Nonheme iron is a necessary source of iron for people who don’t eat meat for health reasons or other reasons. Nonheme iron, on the other hand, does not absorb as well as heme iron. As a result, consider mixing it with vitamin C-rich foods like oranges, berries, and peppers to boost absorption.

Digestion, regularity, and satiety

By acting as a “bulking agent” in the digestive system, adequate fibre intake is a significant factor in weight loss.

Fiber in the diet helps to increase the feeling of fullness and decrease appetite. This can help a person consume less calories overall.

Lentils’ high fibre content also helps to keep the digestive tract safe, preventing constipation and encouraging daily bowel movements.

Diet plan

Brown, green, and red lentils can be used in a variety of ways in the diet.

  • Brown lentils are the most affordable and soften the fastest when cooked. Soups and stews are the best places to use them.
  • Green lentils have a nuttier flavour than red lentils. When cooked, they retain their firmness and make excellent salad or taco toppings.
  • The flavour of red lentils is milder. They’re great for bulking up Indian dals and purees, and when cooked, they’re also soft.

Lentils, unlike dried beans, do not need to be soaked. Any dirt on the lentils should be rinsed away, and any damaged lentils or foreign material should be discarded.

Quick tips:

People can incorporate lentils into their diet in a variety of ways that are both simple and delicious:

  • Lentils can be added to any soup or stew recipe for added nutrition and fibre.
  • For a quick protein source, cook lentils ahead of time and store them in the refrigerator.
  • Lentils can be used in place of beans in any recipe.
  • Red lentils can be used in place of half of the meat in a Bolognese sauce or lasagna.
  • By mashing cooked lentils with a fork and adding garlic, onion, chilli powder, and chopped tomatoes, you can make a lentil dip.
  • Look for new snacks and foods made with lentils, such as lentil crackers or chips, as well as lentil pasta.

Risk factors

Constipation and flatulence can occur when you consume a lot of fibre.

Anyone who wants to increase their fibre intake should do the following:

  • To avoid constipation, drink plenty of water.
  • gradually increase their fibre intake over 1–2 months
  • consuming small quantities of fibre at each meal.

As the body responds to the increased fibre, these tips may help prevent digestive discomfort.

Irritable bowel syndrome (IBS) sufferers may experience digestive symptoms due to the presence of fermentable carbohydrates (FODMAPs) in lentils . People with IBS usually tolerate canned lentils because they are low in FODMAPs.


Obianuju Chukwu

She has a degree in pharmacy and has worked in the field as a pharmacist in a hospital. Teaching, blogging, and producing scientific articles are some of her interests. She enjoys writing on various topics relating to health and medicine, including health and beauty-related natural treatments, the nutritional worth of various foods, and mental wellness.