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What's Healthier, Lentils or Peas? A Complete Nutritional Breakdown

5 min read

According to the American Institute for Cancer Research, legumes like lentils and peas are recommended for their high dietary fiber content to lower the risk of colorectal cancer. The question of what's healthier, lentils or peas, depends on your specific nutritional goals, as both offer a rich array of health benefits.

Quick Summary

This article compares the nutritional profiles of lentils and peas, detailing differences in protein, fiber, vitamins, and minerals. It helps readers understand which legume might be better suited for their health priorities.

Key Points

  • Protein and Fiber: Lentils contain more protein and fiber per serving, making them a denser source of these key macronutrients for satiety and digestive health.

  • Vitamins vs. Minerals: Peas are richer in vitamins like A, C, and K, while lentils are packed with more minerals, including iron, folate, and potassium.

  • Glycemic Index: With a lower glycemic index, lentils provide a more stable release of blood sugar compared to peas, which is beneficial for blood sugar management.

  • Weight Management: Both legumes support weight loss, but lentils' higher protein and fiber content may offer a slight edge in promoting feelings of fullness for longer.

  • Dietary Versatility: Choosing between lentils and peas depends on your specific nutritional goals; incorporating both ensures a wider spectrum of nutrients.

In This Article

Lentils vs. Peas: A Head-to-Head Nutritional Matchup

When stocking your pantry for a healthy diet, legumes like lentils and peas are an excellent choice due to their versatility and nutrient density. Both are part of the Fabaceae family and provide essential plant-based protein, fiber, and an assortment of vitamins and minerals. Yet, a closer look reveals that each offers a distinct nutritional profile, making one potentially more suitable for certain dietary needs than the other. Below, we delve into the macronutrient breakdown, vitamin and mineral content, and specific health benefits of each.

Macronutrient and Calorie Comparison

At a glance, lentils are slightly more calorie-dense and higher in macronutrients overall compared to peas. A 100g serving of cooked lentils contains approximately 116 calories, while the same amount of cooked peas has about 84 calories.

  • Protein: Lentils have a clear advantage here, offering about 9g of protein per 100g, whereas peas provide around 5.4g. This makes lentils a more potent source of plant-based protein for vegetarians and vegans looking to increase their intake.
  • Fiber: Both legumes are fantastic sources of dietary fiber. Lentils, however, edge out peas with roughly 7.9g of fiber per 100g, compared to peas' 5.5g in the same serving size. This high fiber content is excellent for promoting digestive health, controlling cholesterol, and aiding weight management by increasing feelings of fullness.
  • Carbohydrates: Lentils are higher in total carbohydrates, including both dietary fiber and net carbs. Per 100g, lentils have 20.13g of carbs versus 15.63g in peas.
  • Fat: Both contain minimal amounts of fat, with lentils having a slightly higher fat content that includes more healthy mono- and polyunsaturated fats.

Vitamins and Minerals: Who Wins?

The battle for micronutrient supremacy is a bit more nuanced, with each legume excelling in different areas. Peas are the undisputed champion when it comes to many vitamins, while lentils are generally richer in essential minerals.

Peas

  • Peas are packed with vitamins A, C, and K, contributing significantly to immunity, skin health, and blood clotting.
  • They also contain a broader range of B-vitamins, including exceptionally high levels of Vitamin B5.
  • For minerals, peas offer more calcium compared to lentils.

Lentils

  • Lentils are an outstanding source of folate (Vitamin B9), which is crucial for cell function and growth, especially during pregnancy.
  • In terms of minerals, lentils are richer in iron, phosphorus, potassium, and copper. Their higher iron content is particularly beneficial for those at risk of iron deficiency.

Glycemic Index and Health Implications

Another important factor is the Glycemic Index (GI), which measures how quickly a food raises blood sugar. Lentils have a notably lower GI (around 16) compared to green peas (around 36), making them an even better choice for blood sugar management. Both are beneficial for heart health and can aid in weight management by promoting satiety. The high fiber in both supports healthy digestion, and their antioxidant properties may help protect against certain cancers.

Lentils vs. Peas Nutritional Comparison Table (per 100g cooked)

Nutrient Lentils Peas Who Wins?
Calories 116 kcal 84 kcal Peas (fewer calories)
Protein 9.02 g 5.36 g Lentils (higher protein)
Fiber 7.9 g 5.5 g Lentils (more fiber)
Carbohydrates 20.13 g 15.63 g Peas (fewer carbs)
Iron 3.33 mg 1.54 mg Lentils (more iron)
Folate (B9) 181 µg 63 µg Lentils (significantly more)
Vitamin C 1.5 mg 14.2 mg Peas (significantly more)
Vitamin K 1.7 µg 25.9 µg Peas (significantly more)

Conclusion: The Verdict

So, what's healthier, lentils or peas? There is no single answer, as both are exceptionally healthy legumes. The choice depends on your individual nutritional needs. If your primary goal is to maximize protein, fiber, iron, or folate intake, lentils are the superior option. They also have a lower glycemic index, which is better for blood sugar stability. Conversely, if you want a legume that is richer in vitamins like C and K, or lower in calories, peas are the better choice. Ultimately, incorporating both into your diet ensures you get a wider spectrum of nutrients. They can be used interchangeably in many dishes or paired together for a truly nutrient-packed meal.

Frequently Asked Questions

1. Are lentils or peas better for weight loss? Lentils and peas are both excellent for weight management due to their high fiber and protein content, which promote satiety. However, with slightly more protein and a lower glycemic index, lentils may offer a marginal advantage in promoting longer-lasting fullness and more stable blood sugar levels.

2. Which legume is easier to digest? Some individuals find peas easier to digest than lentils. Both contain antinutrients like phytic acid and lectins, which can cause digestive issues, but cooking and soaking can reduce these effects. Listen to your body and see which one you tolerate better.

3. Do you have to soak lentils before cooking? No, unlike most dried beans, lentils do not require pre-soaking. They cook relatively quickly, in about 20-30 minutes, depending on the type. Split peas also cook quickly without soaking, while whole dried peas may benefit from a soak to reduce cooking time.

4. Which provides more minerals, lentils or peas? Lentils are generally richer in minerals such as iron, potassium, and phosphorus. Peas contain more calcium, but lentils offer a more robust mineral profile overall.

5. Can I use lentils and peas interchangeably in recipes? For dishes like soups and stews, lentils and split peas can often be used interchangeably, though the texture and flavor will differ slightly. Red lentils break down easily and are good for thickening, while green lentils hold their shape well, making them suitable for salads.

6. Is pea protein powder healthier than lentils? Pea protein is a supplement made from peas, while lentils are consumed as a whole food. As a processed supplement, pea protein can deliver a higher concentration of isolated protein, which may be useful for athletes. However, whole lentils provide a broader range of nutrients, including natural fiber, vitamins, and minerals that are often lost during the processing of protein powders.

7. How can I include both lentils and peas in my diet? Try adding peas to salads or stir-fries for a vitamin boost. Use lentils as a base for hearty soups, curries, or vegan meatloaf for a powerful protein and fiber punch. Creating dishes that combine both, like a mixed legume and vegetable stew, can also be a great way to benefit from their complementary nutritional profiles.

References

  • Peas vs. Lentils – Nutrition and Health Impact Comparison, Food Struct, November 23, 2020
  • Lentils: Nutrition, Benefits, and How to Cook Them, Healthline, February 03, 2023
  • The 9 Healthiest Beans and Legumes You Can Eat, Healthline, June 30, 2023

Frequently Asked Questions

Yes, lentils are a more concentrated source of protein, offering about 9g of protein per 100g serving compared to the 5.4g found in the same amount of peas.

Lentils contain more dietary fiber, with approximately 7.9g per 100g, while peas provide around 5.5g for the same serving size.

Lentils are better for blood sugar control because they have a lower glycemic index (GI of ~16) than peas (GI of ~36), which means they cause a slower, more stable rise in blood sugar.

Peas are significantly richer in vitamins A, C, and K, as well as B-vitamins like B5, which support various bodily functions including immunity and blood clotting.

Yes, lentils are a better source of minerals, containing higher levels of iron, folate, phosphorus, potassium, and copper than peas.

Yes, you might choose peas over lentils if you prioritize higher levels of vitamins A, C, and K or if you are looking for a legume with fewer calories per serving.

Both legumes are excellent for heart health due to their high fiber content. Lentils, however, may offer a slight advantage due to their higher potassium and folate levels, which can help regulate blood pressure and homocysteine.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.