Acorns vs Pinto Beans: How To Choose?

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

Written by Dennis Gillett, Health & Fitness Writer. Updated on March 7, 2023.

Although acorns and pinto 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 acorns belong to the nuts and seeds group, pinto beans belong to legumes food group.

That’s why we decided to create an in-depth article that compares acorns and pinto 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 acorns and pinto beans compare specifically.


Acorns (Quercus spp.) are the seeds of oak trees and have been used as a food source by humans for centuries. Acorns have a slightly bitter and nutty flavor and are often ground into flour or meal for use in baking or as a thickening agent in soups and stews.

Acorns are a good source of nutrients, including protein, fiber, and various vitamins and minerals. They are also a sustainable and renewable food source, as oak trees are widely distributed, and acorns are abundant in many areas.

In some cultures, acorns have been used as a coffee substitute and can also be roasted and eaten as a snack. Acorns can be prepared in various ways, including boiling, roasting, or grinding into flour.

However, it is important to note that acorns contain tannins, which can give them a bitter flavor and can also cause digestive issues if consumed in large quantities. Therefore, it is important to properly prepare and leach acorns before consuming them in large amounts.

Overall, acorns are a unique and nutritious food that can be valuable to a plant-based diet. If you’re looking to try something new, consider incorporating acorns into your cooking!

Acorns is an excellent source of Vitamin B6 (Pyroxidine).

It also contains a good amount of Vitamin B3 (Niacin), Vitamin B5 (Pantothenic acid), and Vitamin B9 (Folate) and some Vitamin B1 (Thiamine), and Vitamin B2 (Riboflavin).

Pinto Beans

Pinto beans (Phaseolus vulgaris) are a type of legume 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, as well as their rich, nutty flavor.

Pinto beans are also a good source of several important nutrients, including potassium, iron, and B vitamins.

They can be enjoyed in a variety of dishes, such as pinto bean soup, chili, and salads.

In addition to being a nutritious food, pinto beans have been shown to have a number of potential health benefits.

They have been linked to lower cholesterol levels and improved blood sugar control, and may also help to reduce the risk of certain types of cancer.

Pinto Beans are an excellent source of Vitamin B1 (Thiamine), Vitamin B6 (Pyroxidine), and Vitamin B9 (Folate).

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

Acorns vs Pinto Beans Nutrition

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

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

AcornsPinto Beans
Energy387 kcal347 kcal
Carbs40.8 g62.6 g
Sugar2.11 g
Fiber15.5 g
Protein6.15 g21.4 g
Fat23.9 g1.23 g
Saturated Fat3.1 g0.235 g

Acorns vs Pinto Beans Calories

Comparing pinto beans vs acorns for weight loss, pinto beans are slightly lower in calories, with 347 calories per 100 grams, compared to 387 calories per 100 grams of acorns.

However, both acorns and pinto 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.

Acorns vs Pinto Beans Protein

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

Pinto Beans offer around 71% more protein than acorns.

Pinto Beans have 21.4 grams of protein per 100 grams, while acorns has 6.2 grams of protein per 100 grams.

Acorns vs Pinto 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 acorns and pinto beans.

The total amount of carbohydrates is around 35% higher in pinto beans than in acorns. They have 62.6 grams per 100 grams, compared to 40.8 grams in acorns.


There’s less sugar in acorns than in pinto beans, 100% precisely.

One handful of acorns (28 grams) contains 0 grams of sugar, while the same amount of pinto beans contains 0.6 grams.

Lastly, let’s take a look at the dietary fiber in acorns and pinto 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, pinto beans are a better source of fiber than acorns which offer 0 grams per portion.

Acorns vs Pinto Beans Fats

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

Total fat in acorns and pinto beans:

  • Acorns: 23.9 grams per 100 grams
  • Pinto Beans: 1.2 per 100 grams

Speaking of saturated fats, pinto beans are 94% lower in saturated fats.

Pinto Beans and acorns contain 0.2 grams and 3.1 grams of saturated fat per 100 grams, respectively.

Acorns vs Pinto Beans Vitamins Content

This section will discuss the vitamin content of acorns and pinto beans.

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

Acorns has a higher amount of vitamin C, vitamin B1 (Thiamine), vitamin B2 (Riboflavin), vitamin B5 (Pantothenic acid), vitamin B9 (Folate), vitamin E, and vitamin K.

However, pinto beans have a higher amount of vitamin A, vitamin B3 (Niacin), and vitamin B6 (Pyroxidine).

Acorns and pinto beans contain the same amount of vitamin D, and vitamin B12 (Cobalamin).

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

AcornsPinto Beans
Vitamin A39 IU0
Vitamin C06.3 mg
Vitamin D00
Vitamin B1 (Thiamine)0.112 mg0.713 mg
Vitamin B2 (Riboflavin)0.118 mg0.212 mg
Vitamin B3 (Niacin)1.83 mg1.17 mg
Vitamin B5 (Pantothenic acid)0.715 mg0.785 mg
Vitamin B6 (Pyroxidine)0.528 mg0.474 mg
Vitamin B9 (Folate)87 µg525 µg
Vitamin B12 (Cobalamin)00
Vitamin E00.21 mg
Vitamin K05.6 µg

Acorns vs Pinto 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 acorns and pinto beans comparison focuses on their mineral content.

Acorns is a better source of calcium, copper, fluoride, iron, magnesium, phosphorus, potassium, selenium, sodium, and zinc than pinto beans.

On the other hand, pinto beans are a higher amount of manganese.

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

AcornsPinto Beans
Calcium41 mg113 mg
Copper0.621 mg0.893 mg
Fluoride02.2 µg
Iron0.79 mg5.07 mg
Magnesium62 mg176 mg
Manganese1.34 mg1.15 mg
Phosphorus79 mg411 mg
Potassium539 mg1390 mg
Selenium027.9 µg
Sodium012 mg
Zinc0.51 mg2.28 mg

The Final Word

Acorns and pinto beans are highly nutritious and a great addition to a plant-based diet.

Both acorns and pinto 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.


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