Why carbohydrates are not essential for life

Carbohydrates are an important source of energy for the body, but are not essential to life. In this article, we will explain the differences between long chain and short chain carbohydrates and discuss the benefits of carbohydrates. In addition, we will show which carbohydrates to include in your diet and which ones to avoid in order to ensure a balanced carbohydrate intake.

Long-chain and short-chain carbohydrates: Long-chain carbohydrates are made up of complex sugar molecules that are digested more slowly and provide a long-lasting source of energy. They are rich in fiber, vitamins and minerals. Examples of long-chain carbohydrates are whole grains, legumes, vegetables, and some fruits.

Short-chain carbohydrates, on the other hand, are made up of simple sugar molecules that are quickly digested and converted to glucose. They provide readily available energy but have a higher glycemic index. Examples of short-chain carbohydrates include refined sugar, white flour, soda pop, and candy.

Why Carbohydrates Are Not Necessary: ​​The body can also get energy from other sources, such as fat and protein. In certain forms of nutrition such as the ketogenic diet or in certain metabolic states, the body can cover its energy needs mainly from fat and reduce carbohydrates to a minimum. Nevertheless, carbohydrates are an important source of energy for most people and offer numerous benefits.

Benefits of carbohydrates:

  1. Source of energy: Carbohydrates are the body's preferred source of energy. They provide the muscles, brain and other organs with the energy they need to function optimally.

  2. Fiber: Many carbohydrate-rich foods, especially high-fiber whole grain products, fruits and vegetables, also contain valuable fiber. Dietary fiber promotes healthy digestion, regulates blood sugar levels and supports weight control.

  3. Nutrients: Carbohydrate-rich foods are often rich in important nutrients such as vitamins, minerals and phytochemicals. A balanced carbohydrate intake can help meet the need for these essential nutrients.

What carbs to eat and avoid: It's important to choose high-quality carbs and limit your intake of refined and sugary carbs. Healthy carbohydrate sources include:

  • Whole Grains: Whole wheat bread, whole wheat pasta, oatmeal, and brown rice are good examples of high-fiber carbohydrates. They provide long-lasting energy and contain many nutrients.
    • Fruits and Vegetables: These are high in fiber, vitamins, minerals, and antioxidants. Apples, berries, oranges, broccoli, spinach, and carrots are just a few examples of healthy carbs found in fruits and vegetables.

    • Legumes: Lentils, beans, chickpeas, and peas are high in protein and contain complex carbohydrates. They are also high in fiber and contribute to satiety.

    It is advisable to avoid or reduce consumption of refined carbohydrates and sugary foods. These include:

    • Sugary drinks: Sodas, sweetened juices, and energy drinks contain large amounts of added sugar and have a high glycemic index.

    • Sweets and Pastries: Cookies, cakes, chocolate, and other sugary treats are often high in calories and low in nutrients. Your consumption should remain at a moderate level.

    • Refined grain products: White bread, white rice, white flour pasta, and sugary breakfast cereals are highly processed and low in fiber.

    By focusing on quality carbohydrates and limiting consumption of refined and sugary carbohydrates, one can achieve a balanced carbohydrate intake.

    carbohydrate types



    included in

    simple sugar


    dextrose (glucose)
    Fruit sugar (fructose)
    Slime sugar (galactose)

    honey, fruit
    fruit juices, soft drinks
    confectionery, milk

    double sugar

    beet or cane sugar (sucrose)
    malt sugar (maltose)
    milk sugar (lactose)

    household sugar, jam,
    confectionery, root beer milk

    multiple sugars

    sugar mixture

    sports drinks, crackers



    potatoes, cereal flakes
    Muesli, wholemeal bread, rice
    Whole Wheat Pasta, Pro Plex


    Carbohydrates are not an essential nutrient group, but they do provide numerous benefits for the body. They serve as an important source of energy, provide fiber and are rich in essential nutrients. By choosing quality carbohydrate sources such as whole grains, fruits, vegetables and legumes, one can reap the benefits of carbohydrates. At the same time, consumption of refined and sugary carbohydrates should be limited to ensure a healthy diet.