Kidney Beans vs Soy: What’s The Difference?

Kidney Beans and soy belong to the legumes and legume products food group, one of the staple food groups for people on a plant-based diet.

Legumes and most legume products are an affordable source of plant protein, dietary fiber, B vitamins, and minerals such as iron, calcium, potassium, and zinc, minerals that are usually harder to get on a plant-based diet.

This article will thoroughly compare kidney beans and soy and help you learn more about their similarities and differences.

Kidney Beans

Kidney 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.

Kidney 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 kidney bean soup, chili, and salads.

In addition to being a nutritious food, kidney 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.

Kidney 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), Vitamin B6 (Pyroxidine), and Vitamin K and some Vitamin C.

Soy

Soybeans (Glycine max) are a type of legume native to East Asia.

They are a popular ingredient in many vegan and vegetarian dishes due to their high protein and fiber content. Soy protein is one of the complete sources of a plant-based protein.

Soybeans can be enjoyed in a variety of dishes, including tofu, soy milk, and soy-based meat substitutes, and can also be ground into flour and used in baked goods such as bread and cookies.

In addition to being a tasty and nutritious food, soybeans have been shown to have many potential health benefits.

They are a good source of antioxidants and have been linked to lower cholesterol levels and improved blood sugar control.

Soybeans are also a good source of several important minerals, including iron, zinc, and magnesium.

Soy are an excellent source of Vitamin B1 (Thiamine), Vitamin B2 (Riboflavin), Vitamin B9 (Folate), and Vitamin K.

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

Kidney Beans vs Soy Nutrition

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

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

Kidney Beans vs Soy Calories

Most calories in raw legumes come from carbs. Peanuts are an exception here, but they are often considered a nut instead of a legume because of their nutritional profile.

Comparing kidney beans vs soy for weight loss, kidney beans are slightly lower in calories, with 333 calories per 100 grams, compared to 446 calories per 100 grams of soy.

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

Kidney Beans vs Soy Protein

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

Soy offer around 35% more protein than kidney beans.

Soy have 36.5 grams of protein per 100 grams, while kidney beans have 23.6 grams of protein per 100 grams.

Kidney Beans vs Soy 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 kidney beans and soy.

The total amount of carbohydrates is around 50% higher in kidney beans than in soy. They have 60 grams per 100 grams, compared to 30.2 grams in soy.

There’s less sugar in kidney beans than in soy, 71% precisely.

One handful of kidney beans (28 grams) contains 0.6 grams of sugar, while the same amount of soy contains 2.1 grams.

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

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

With 7 grams of fiber per portion, kidney beans are a better source of fiber than soy which kidney beans offer 2.6 grams per portion.

Kidney Beans vs Soy Fats

Like most other legumes, with the exception of lupins and peanuts, kidney beans and soy are low in fat.

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

Total fat in kidney beans and soy:

• Kidney Beans: 0.8 grams per 100 grams
• Soy: 19.9 per 100 grams

Speaking of saturated fats, kidney beans are 97% lower in saturated fats.

Kidney Beans and soy contain 0.1 grams and 2.9 grams of saturated fat per 100 grams, respectively.

Kidney Beans vs Soy Vitamins Content

This section will discuss the vitamin content of kidney beans and soy.

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

Kidney Beans have a higher amount of vitamin A, vitamin C, vitamin B1 (Thiamine), vitamin B2 (Riboflavin), vitamin B5 (Pantothenic acid), vitamin E, and vitamin K.

However, soy have a higher amount of vitamin B3 (Niacin), vitamin B6 (Pyroxidine), and vitamin B9 (Folate).

Kidney Beans and soy contain the same amount of vitamin D, and vitamin B12 (Cobalamin).

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

Kidney Beans vs Soy 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 kidney beans and soy comparison focuses on their mineral content.

Kidney Beans are a better source of calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc than soy.

On the other hand, soy are a higher amount of sodium.

Kidney Beans and soy contain the same amount of fluoride.

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

The Final Word

Kidney Beans and soy are highly nutritious and a great addition to a plant-based diet.

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

Antioxidants found in beans 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 are 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.