Effective methods to strengthen the immune system and prevent COVID-19

Currently, there is not much information about how the damage caused by the coronavirus is controlled, since it is a relatively new disease for everyone.

There is extensive information regarding many measures to strengthen the immune system, either with vitamin supplements, nanoparticles of any element and even using some essential oil. But is all that really useful?

This is a bit of a complicated question, especially since it is not possible to easily measure a person's immune system. It is a delicate system and with a wide variety of components. If you help in one aspect, you can make another worse, or it is likely that you will strengthen a part that will not help you in any way to face viruses.

This factor makes it difficult to know exactly, aside from the fact that many people do not know if what is helpful to fight certain viruses works against the coronavirus. Therefore, it is evident that there are a lot of things that are not fully known.

However, according to certain investigations, it is possible to put into practice certain methods that will be effective in having a stronger immune system, and in this way you will be able to prevent coronavirus infection.

Immune function and low carbohydrate diet

Many health and nutrition experts have demonstrated the many benefits of a low carbohydrate diet. In fact, most likely now, more than ever, it is very important to lead a healthy diet and lifestyle. This means that a good diet must provide you with essential nutrients and regulate blood sugar levels. But in addition to that, you will need to keep control of your weight.

Those with type 2 diabetes or any other metabolic-related disease are more likely to experience complications if they catch COVID-19. Therefore carry a diet that does not contain too many carbohydrates and at the same time is ketogenic, will allow you to maintain better control in those diseases that affect metabolism.

Although the effects of this class of diet on immune function have not been fully tested, it is convenient to limit the damage caused by this class of conditions (either hyperthyroidism, hyperglycemia, among others), since otherwise the situation would be much worse.

Still, a study has suggested that the ketogenic diet reduces the risk of flu infection. So improving metabolism may have beneficial effects that will not only strengthen the immune system, but will also help prevent disease.

Tips for preventing coronavirus infection

This is a series of habits that are very easy to implement and that will help you avoid getting coronavirus. It is recommended that each of these measures be a priority, not only for prevention but also to improve the immune system and general health.

Currently, the risk of getting sick is quite high, and therefore these measures have become crucial.

Wash your hands properly

Viruses and bacteria on the surface of your hands will die immediately when you wash them properly. This process only takes about 20 seconds, use a generous amount of hand sanitizer or gel that contains at least 60% alcohol.

Avoid smoking

If you are a smoker, you will be more prone to infections as well as many complications due to them. Human beings do not really need to smoke, and at the moment that is a fact that should be recognized among all people.

Sleep the necessary hours

The hours of sleep are very important to have a good state of health, so you will get many benefits for your immune system. It is evident that people will spend more time inside watching television programs and using any other electronic device, but it is necessary to prioritize a good sleep habit.


Science has shown that people who do some physical activity constantly, suffer less illness compared to people who are sedentary. But it is necessary to avoid training excessively, since too intense training causes an increased risk of infection. It is recommended that exercise be moderate, just to keep the body active and lead a healthy life.

Controlling stress

Despite the fact that acute stressors temporarily increase immune functions, the opposite is true when it comes to chronic stress. Anything you do during the day can put you under a great deal of stress, and that will negatively affect your health.

You can't get rid of a stressful situation easily, but what you can do is stay in control of how you respond to those situations. There are many methods of managing stress, such as yoga, meditation, or even mindfulness exercises. On the internet you can find many ways to learn to relax in different ways, the important thing is keep stress under control.

Being calm not only strengthens the immune system, you will also get other benefits such as improving blood pressure, glucose levels within the blood and also to make daily life calmer.

Consume alcohol in moderation

Following the stress point, many people consume alcohol as a way to try to calm down. But it is important to keep in mind that consuming alcohol excessively will cause an increased risk of getting sick.

Some scientific studies related to COVID-19, which ensure that people who consume too much alcohol are more likely to suffer from a respiratory syndrome. As is well known, complications at the lung level are the main cause of many of the deaths of people who have become infected with this virus.

Vitamin supplements

Although you have a good diet, you may not be able to reach the necessary levels of certain nutrients that are essential for your body. From others, you may not be able to get the minimum amount. That is why we mention certain supplements that usually help to obtain the necessary quantity of fundamental vitamins to increase immune function.

Vitamin C

For many years, vitamin C has been a great help to avoid suffering from a cold. Another of the functions of this vitamin is that keeps your skin healthy becoming a barrier to protect you from germs and harmful agents. It has even been discovered that vitamin C has the possibility of improving the function of white blood cells, which, as you well know, are responsible for fighting diseases.

Many foods contain a considerable amount of vitamin C, such as citrus fruits, kiwi, bell peppers and also tomato. Increasing your intake is a good idea in case you don't want to take vitamin supplements.

Although there is not much information about the effects of this vitamin against the coronavirus, there is no problem in consuming a maximum dose of 2000 mg per day. However, remember not to exceed this amount, since it causes diarrhea and increases the risk of kidney stones.

Vitamin D

Another of the essential vitamins for the body is vitamin D. With it you will get a protective effect that will act against infections, especially those that affect the airways.

This is a vitamin that naturally stimulates immune function through its anti-infective action, which will offer you the intervention of macrophages to fight against many microorganisms that cause disease.

Vitamin E

This is also part of the essential vitamins for the body, especially since it is in charge of protecting the biological membranes. In this way, vitamin E neutralizes the actions known as immunosuppressants.


This is a mineral that generates positive effects by increasing the response of white blood cells to infections. So those people with zinc deficiency are more likely to suffer from colds, illnesses caused by viruses and flu.

If you take zinc supplements, you will be implementing an excellent strategy to strengthen your immune system. You must remember that the zinc consumption limit is 40 mg per day, since exceeding that dose could cause unfavorable side effects.

Foods that improve immune function

As we have already mentioned, eating a good diet will help you to improve the immune functions of your body. Therefore, the vast majority of foods have vitamins as well as minerals, which favor a better response of the body against conditions.


This is a nut that contains a lot of fiber, even more than any other nut, apart from having a high content of proteins, vitamins of groups B and E, phosphorus, iron, calcium and fats that are healthy. One of the fundamental vitamins that strengthens the immune system and that we have already discussed is vitamin E, detoxifies your body and helps in growth.

Consuming 20 almonds provides the body with 150 calories, apart from which it is an alternative to consume vitamin E naturally.


It is one of the vegetables that has a high nutritional value, and that is due to the many vitamins it contains, such as vitamins of group B, vitamin C and vitamin A. Another interesting fact is that, the stem of this vegetable has antioxidant properties and is an excellent contribution of fiber. On the other hand, It has a chemical compound that works as a stimulant for the immune system and helps fight free radicals. It is enough to consume 200 grams of broccoli to obtain an excellent contribution of the mentioned vitamins.


Garlic was used many years ago as a treatment for infections, due to its antibacterial, antiviral, and antifungal properties. It is a food that lowers blood pressure and reduces hardening in the arteries.

Allicin is one of the components found in garlic, and it is an excellent help in improving the body's immune functions.. Similarly, how much with proteinogenic amino acids, potassium, selenium, inulin, magnesium and vitamins of group B.


Citrus fruits like oranges, grapefruits, tangerines, and lemons, they have a lot of vitamin C and that is excellent to stimulate the immune system. So much so, that scientists have recognized that vitamin C has the ability to combat certain acute conditions and colds. But other components found in citrus fruits are Zinc, probiotics, and vitamin B6.


In the same way that happens with broccoli, this is a food that has beta-carotenes and antioxidants that serve to increase immune function, which will allow your body to fight infections more easily. The vitamins and minerals found in spinach are what give it all that nutritional power.

Science has shown that spinach helps prevent damage to cells and reduces the risk of degenerative and heart-affecting diseases. But not only that, as it also helps prevent cholesterol in the blood from oxidizing and turning into bad cholesterol.

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