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Peanuts vs Black Beans: How Do They Compare?

This article explains the key similarities and differences between peanuts and black beans, foods from the grains and legumes food groups. Read on to learn more about the peanuts vs black beans comparison.
Dennis Gillett, Health & Fitness Writer

Written by Dennis Gillett, Health & Fitness Writer. Updated on March 19, 2023.

Although peanuts and black beans belong to different food groups, and it’s not that common to compare foods from different groups, people are often interested in these comparisons as well.

While peanuts belong to the nuts and seeds group, black beans belong to legumes food group.

That’s why we decided to create an in-depth article that compares peanuts and black beans, their nutritional values, similarities, differences, macronutrients, and micronutrients – vitamins and minerals.

Generally speaking, foods from nuts and seeds group are usually higher in healthy fats and lower in carbs than legumes, but both are valuable addition to a plant-based diet.

Now, let’s see how peanuts and black beans compare specifically.

Peanuts

Peanuts (Arachis hypogaea) are a type of legume that is native to South America and is now grown in many parts of the world.

These nuts have a slightly sweet and slightly nutty flavor, and are often used in both sweet and savory dishes.

Peanuts are a good source of nutrients, including protein, fiber, and various vitamins and minerals. They are also a good source of healthy fats, including monounsaturated and polyunsaturated fats.

There are many ways to incorporate peanuts into your diet.

They can be eaten raw or roasted, and are often used in baking or as a topping for salads and other dishes.

Peanuts are also available in a variety of forms, including whole, chopped, and ground into flour.

Peanuts are widely available and can be found at most grocery stores. They are often sold roasted or raw, and can be purchased with or without the shell.

If you’re looking for a tasty and nutritious nut to add to your diet, consider giving peanuts a try.

They are flavorful, versatile, and have a variety of health benefits.

Peanuts is an excellent source of Vitamin B3 (Niacin), Vitamin B6 (Pyroxidine), and Vitamin E.

It also contains a good amount of Vitamin B1 (Thiamine), Vitamin B2 (Riboflavin), Vitamin B5 (Pantothenic acid), and Vitamin B9 (Folate).

Black Beans

Black beans (Phaseolus vulgaris) are a type of legume that are native to Central and South America.

They are a popular ingredient in many vegan and vegetarian dishes due to their high protein and fiber content and rich, nutty flavor.

Black beans are also a good source of antioxidants. They have been shown to have a number of potential health benefits, including reducing the risk of certain types of cancer and helping to lower cholesterol levels.

They are easy to incorporate into a wide range of recipes and can be enjoyed in dishes such as black bean soup, burritos, and salads.

Black Beans are an excellent source of Vitamin B1 (Thiamine), and Vitamin B9 (Folate).

They also contain a good amount of Vitamin B2 (Riboflavin), Vitamin B3 (Niacin), Vitamin B5 (Pantothenic acid), and Vitamin B6 (Pyroxidine) and some Vitamin K.

Peanuts vs Black Beans Nutrition

Now that we’ve described the origin, taste, and usage of these foods, we can move to the most interesting part – comparing peanuts vs black beans.

This comparison will start by comparing the caloric value of peanuts and black beans and their macronutrients and then go more in-depth by analyzing their vitamin and mineral content.

PeanutsBlack Beans
Energy587 kcal341 kcal
Carbs21.26 g62.4 g
Sugar4.9 g2.12 g
Fiber8.4 g15.5 g
Protein24.35 g21.6 g
Fat49.66 g1.42 g
Saturated Fat7.723 g0.366 g

Peanuts vs Black Beans Calories

Comparing black beans vs peanuts for weight loss, black beans are slightly lower in calories, with 341 calories per 100 grams, compared to 587 calories per 100 grams of peanuts.

However, both peanuts and black beans can and should be a part of a healthy diet, and neither one shouldn’t be avoided if you’re looking to lose weight.

Peanuts vs Black Beans Protein

Legumes and most legume products, including peanuts and black beans, are important sources of plant-based protein.

Peanuts offers around 11% more protein than black beans.

Peanuts has 24.4 grams of protein per 100 grams, while black beans have 21.6 grams of protein per 100 grams.

Peanuts vs Black Beans Carbs

Counting carbs can be important for some people for different reasons, including blood sugar control, weight management, or athletic performance.

It’s also important for people on a keto diet, so let’s compare the carbs content in peanuts and black beans.

The total amount of carbohydrates is around 66% higher in black beans than in peanuts. They have 62.4 grams per 100 grams, compared to 21.3 grams in peanuts.

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There’s less sugar in black beans than in peanuts, 57% precisely.

One handful of black beans (28 grams) contains 0.6 grams of sugar, while the same amount of peanuts contains 1.4 grams.

Lastly, let’s take a look at the dietary fiber in peanuts and black beans.

Dietary fiber keeps the digestive system healthy and helps with weight management by promoting a sense of fullness.

With 4.3 grams of fiber per portion, black beans are a better source of fiber than peanuts which offer 2.4 grams per portion.

Peanuts vs Black Beans Fats

Fats in peanuts and black beans are mostly healthy unsaturated fats. They are naturally cholesterol-free and trans-fat-free.

Total fat in peanuts and black beans:

  • Peanuts: 49.7 grams per 100 grams
  • Black Beans: 1.4 per 100 grams

Speaking of saturated fats, black beans are 95% lower in saturated fats.

Black Beans and peanuts contain 0.4 grams and 7.7 grams of saturated fat per 100 grams, respectively.

Peanuts vs Black Beans Vitamins Content

This section will discuss the vitamin content of peanuts and black beans.

Vitamins are micronutrients, meaning we need only a small amount. However, they are very important for many processes in our bodies.

Peanuts has a higher amount of vitamin A, vitamin B1 (Thiamine), vitamin B9 (Folate), and vitamin K.

However, black beans have a higher amount of vitamin B2 (Riboflavin), vitamin B3 (Niacin), vitamin B5 (Pantothenic acid), vitamin B6 (Pyroxidine), and vitamin E.

Peanuts and black beans contain the same amount of vitamin C, vitamin D, and vitamin B12 (Cobalamin).

The following table shows the exact amount of vitamins peanuts and black beans contain side by side, so you can easily compare them.

PeanutsBlack Beans
Vitamin A017 IU
Vitamin C00
Vitamin D00
Vitamin B1 (Thiamine)0.152 mg0.9 mg
Vitamin B2 (Riboflavin)0.197 mg0.193 mg
Vitamin B3 (Niacin)14.355 mg1.96 mg
Vitamin B5 (Pantothenic acid)1.011 mg0.899 mg
Vitamin B6 (Pyroxidine)0.466 mg0.286 mg
Vitamin B9 (Folate)97 µg444 µg
Vitamin B12 (Cobalamin)00
Vitamin E4.93 mg0.21 mg
Vitamin K05.6 µg

Peanuts vs Black Beans Minerals Content

Minerals are important for our body to function properly. We need only a small amount of minerals, so they are called micronutrients.

Some minerals, like iron, calcium, zinc or, iodine, are relatively hard to get on a plant-based diet, so it’s important to choose your foods thoughtfully. This part of the peanuts and black beans comparison focuses on their mineral content.

Peanuts is a better source of calcium, copper, iron, potassium, and zinc than black beans.

On the other hand, black beans are a higher amount of magnesium, manganese, phosphorus, selenium, and sodium.

Peanuts and black beans contain the same amount of fluoride.

Check out the table below to learn how peanuts and black beans compare when it comes to mineral content.

PeanutsBlack Beans
Calcium58 mg123 mg
Copper0.428 mg0.841 mg
Fluoride00
Iron1.58 mg5.02 mg
Magnesium178 mg171 mg
Manganese1.786 mg1.06 mg
Phosphorus363 mg352 mg
Potassium634 mg1480 mg
Selenium9.3 µg3.2 µg
Sodium6 mg5 mg
Zinc2.77 mg3.65 mg

The Final Word

Peanuts and black beans are highly nutritious and a great addition to a plant-based diet.

Both peanuts and black beans are high in specific vitamins and minerals, and including them in your diet will give you the most benefits they offer.

Antioxidants found in nuts, seeds and legumes can help to protect cells from damage and may reduce the risk of certain diseases and the effects of aging.

Additionally, the fiber and other nutrients in these foods can support the health of the digestive system and may even help to prevent certain digestive cancers.

Legumes, nuts and seeds are a versatile food that can be incorporated into any meal of the day, including breakfast, lunch, or dinner. They can be served hot or cold, making them a convenient and tasty addition to a variety of dishes.

Sources

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