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How Lemons and Other Citrus Fruits Boost Your Immune System

Writer: Andrea DyAndrea Dy

Everyone is aware that lemons, as well as other citrus fruits, are excellent sources of vitamin C, among many other nutrients they produce. In recent years, researchers around the world have studied the effects of vitamin C and the important and multi-functional role it plays in human health. It has been known to make a great contribution to boosting the immune system. Additionally, these citrus fruits are rich in plant compounds that have various health benefits. These compounds include a number of varieties of flavonoids, carotenoids and essential oils, which are responsible for many of citrus fruit's health benefits.

Foods that are rich in vitamin C and other antioxidants can help strengthen the immune system against the bacteria that may cause the common cold and the flu. It also helps boost the immunity of people who are regularly doing extreme physical activity. It is common knowledge that the levels of vitamin C in the blood drop whenever the body is under physical or mental stress, or when the body is under attack by an infection. That is because the body’s immune system is using more of that vitamin C whenever it senses a thread or is under attack by infection. Vitamin C improves the function of what is called natural killer cells, which help eliminate infection and aid in antimicrobial activity. It also helps the body’s cells maintain their integrity and resist oxidative damage.

Another way that citrus fruits boost the immune system is through its fibres because they are a good source of fibres too, it helps in improving digestive health and aids in weight loss as well. New research even shows that large amounts of soluble fibre (the kind in oranges) can speed up recovery from bacterial infections. There are two types of fibre – soluble and insoluble, which are found in all plant foods such as fruits, vegetables, and whole grains. Citrus fruits, berries, and flaxseed are good sources of soluble fibre; wheat bran, barley, and other whole grains tend to be on the side of insoluble fibre. Both types of fibre are good for boosting the immune system and keeping a healthy diet.

Yet another way that citrus fruits boost the immune system is through its low-calorie count. Scientists found that a low-calorie diet does not only help in losing weight but also significantly enhances the immune response. The study demonstrates the interaction between calorie restriction and immune markers among humans. As people age, their immune response generally declines. Calorie restriction has been shown to boost these immune responses. It was found in the same research that the T-cell proliferative response was significantly increased during calorie-restrained diets. T-cells are a crucial component of the immune system because they can learn to recognize and attack pathogens that the body had never encountered previously.


Aside from boosting the immune system, citrus fruits have many other benefits such as:

· Maintaining normal blood pressure levels

· Lowering stroke risks

· Maintaining a healthy complexion

· Asthma prevention

· Increasing iron absorption

· Reducing the risk of kidney stones

· Cancer prevention

· Boosting heart health

· Protecting the brain against neurodegenerative diseases

One teeny tiny disadvantage in citrus fruits is the high acidity levels and sour tastes. This is where richberry comes in. Since miracle berries also play their part in being a great source of antioxidants and many other nutrients that help boost the immune system, they are the perfect pair for these citrus fruits – to help sweeten their naturally sour tastes. Don’t miss out on all the benefits that our freeze-dried miracle berries can offer. Shop now!

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