immunity support vitamins

Your immune system is a multifaceted and complex network of cells, tissues, organs, proteins and chemicals which protects your body against a wide range of pathogens, such as viruses, bacteria, toxins, parasites, fungi and cancer cells.

Maintaining your immune system healthy and functioning at all times helps prevent diseases and infections from entering the body.

In this article, we provide valuable recommendations regarding immunity support vitamins.

What vitamins help with the immune system?

Immunity Support Vitamins

Several vitamins help the immune system, and the most notable are:

Vitamin D

Vitamin D is a nutrient that improves the capacity of white blood cells to fight pathogens. These cells, known as monocytes and macrophages are key defenders of your body, capable of reducing inflammation and improving the immune response.

A review released in 2019, conducted on studies involving 11,321 participants, has concluded that supplementing with vitamin D in people deficient in this nutrient has significantly decreased the risk of acute respiratory infections (ARI).

Vitamin C

Vitamin C is a micronutrient that plays several roles in the immune system:

  • It improves the capacity of immune cells to protect the body against infections;
  • It keeps the immune system healthy through its contribution to the programmed cell death (called apoptosis) and removal of dead cells, which favours the birth of new ones;
  • It acts as a powerful antioxidant protecting the body against the harm caused by free radicals and oxidative stress, linked to several diseases.

A study published in 2017 has found that supplementing with vitamin C can prevent and treat respiratory and systemic infections as this micronutrient enhances the functions of immune cells, leading to a decrease in the duration and severity of these infections. 


Zinc is the second most frequent trace element in the body. It interacts with more than 300 proteins involved in cell functioning.

This nutrient helps maintain the bone marrow and thymus functioning properly, enabling them to produce immune cells. It prevents pathogens from entering your body. 

According to a study published in June 2022, zinc contributes to the development of a type of specialised immune cell and contributes to endogenous tissue repair.

Vitamin A

Vitamin A improves immune function and protects the body against several diseases by stimulating the production and activity of white blood cells. It acts as an antioxidant preventing the oxidative stress of cells that are protected and maintained healthy. 

Vitamin A is present in the mucous membranes and epithelial tissues, acting as the body’s first agent of defence against various pathogens.

How can I boost my immune system fast?

boost my immune system fast

The most efficient ways to keep the immune system functioning are to consume foods packed with nutrients, manage everyday stress, sleep well, and exercise regularly.

When your immune system needs a fast boost, you can use immunity support vitamins like the ones described above to enhance the protection of your body against various diseases and infections.

BePure Immune Action is a highly effective supplement that provides full-spectrum support for strong immunity, faster recovery after illnesses and protection against cold season’s affections.

What weakens the immune system?

lack of immunity support

The most relevant factors that weaken the immune system are:

Stress and anxiety

Anxious thoughts can weaken the immune system in less than 30 minutes. Feeling stressed for a long time makes it difficult for your immune system to fight off the flu, cold, herpes and other viruses.

Insufficient fruits and vegetables in your diet

Fruits and vegetables are the main contributors to your health, as they deliver essential nutrients from zinc to vitamins A, E and C. Many fresh produce provide fibre which plays a significant role in keeping your immune system strong.

Not enough sleep

Insufficient sleep makes you more prone to catching germs and viruses and increases the duration of recovery after being sick. Sleep is the only time your body releases specific proteins called cytokines that fight against infections.

Lack of Exercise

When you exercise, your blood circulates your body more efficiently, transporting substances that fight against viruses where they are needed. 


The nicotine and the chemicals in cigarettes, tobacco and vaping products reduce or suppress your immune system’s response to germs.

High-Fat Diet

Oils block white blood cells’ ability to fight against pathogens that try to enter your body. Consuming fats in excess for long periods can affect the balance of bacteria in your gut that play a role in immune function.

Certain medications

Drugs that treat arthritis, allergies, lupus, and IBS and those prescribed in case of organ transplant, can affect your immune system. Be sure to talk to your doctor before taking supplements and prescription medication.


Consuming much alcohol for a long time diminishes the capacity of your body to heal itself and makes you more vulnerable to illnesses like tuberculosis, pneumonia and liver disease.

Insufficient time outdoors

Spending sufficient time outside increases the energy of T-cells – special cells that fight against infection. Substances like phytoncides, released by plants, can strengthen your immune response.

Grief or Sadness

Some evidence suggests that experiencing grief or sadness for a long time can lower your immunity. If you have experienced a trauma or a loss, find somebody to talk to so you can ease your pain and get your immunity back to optimum levels.

What are the signs of a strong immune system?

immunity support

A strong immune system is essential for your health, and several signs confirm your immunity works.

You have a healthy gut

A healthy gut is a clear indication your immune functions are functioning well. Evidence suggests that good bacteria in your gut contribute to your capacity to prevent and fight off infections and diseases.

You recover fast after colds and flu

Your immune system is in optimum shape if you start feeling better in a few days after the flu or a cold. 

You have a quality sleep

Quality sleep, at reasonable hours, enables the immune system to repair itself and produce cytokines.

You have a generally positive mood

Feeling peaceful, content, grateful and loved contributes to improved immune response, enabling the body to face better infections and diseases. Laughing relieves stress and blocks the negative impact it has on our health.

Immunity support vitamins are an essential help for your immunity, and taking the right ones is an efficient way to complement a healthy diet and a balanced lifestyle. However, since some supplements can interact with certain medications, if you suffer from any health issue, I advise you to talk to your doctor before taking any supplements.