Best 5 Supplements to Boost Immune System

Table Of contents
 [show]

Quick Overview

A healthy immune system plays a critical role in guarding against diseases, infections, cell damage, and invading pathogens like fungi, bacteria, parasites, and viruses. They do so by neutralizing toxins and activating a group of proteins called complement. (1)

The natural acquired, and passive immunity, responds to foreign antigens and aims at destroying abnormal body cells that originate from host tissues, bacteria, and viruses. (2)

Research shows that we can improve our body’s immune response with minerals, herbs, vitamins to keep diseases and illness at bay. Besides, supplements containing vitamin D, C, elderberry, medicinal mushrooms, among other nutrients like selenium, garlic, and many others, have proven to work effectively. (3), (4)

 However, before taking any OTC immune system booster, it is vital to engage a health caregiver. Below is a list of the best Vitamins to boost the immune system from recognized selling brands.

Best Supplements to Boost Immune System

  1. Optimunity- Liposomal Vitamin C
  2. Immune Defence
  3. Mega food- immune Defense
  4. Hyrbal Defend- Emergency C Immune Support
  5. Dr. Mercola Liposomal Vitamin C Suppliment

The Best Daily Immune System Booster Supplements – Reviewed

1.Optimunity- Liposomal Vitamin C

Highlights

  • Contains a potent dose of 1500mg per serving
  • High absorption rate
  • 100%  vegan friendly
  • Clinically tested
  • Contains 100% natural ingredients
  • High in antioxidants
  • fast and free shipping
  • Varying packaging sizes
  • Discounted price
  • 100-day money-back guarantee

Get 10% off all OPTIMUNITY products

Benefits of Optimunity- Liposomal Vitamin C

Optimunity capsules are an ideal immunity booster, especially for those seeking a natural and faster supercharge of immunity.

Also:

It is suitable for people whose wounds and cuts take longer to heal, besides helping in fighting cold and flu. Besides, it enhances the skin quality, improves blood flow and protects the memory as age progresses.

Natural Ingredients

Each capsule contains 1500mg of vitamin C, which is a perfect dosage that is high in antioxidants to strengthen the immune system. In addition, it is high in soluble fat, ascorbate, sunflower lecithin, and vegetable cellulose.

How to Use Optimunity?

This vegan-friendly food supplement is made from natural polymer, and it has clinically been proven safe for ingestion. They recommend taking two capsules with water daily on an empty stomach for easy absorption to the bloodstream.

How does Optimunity food supplement work?

The company employs Liposomal technology, which aims to protect and prevent stomach acids from destroying the ingested vitamin C. 

The results?

There is an increase in the absorption rate of the supplement, with minimum obstructions hence no side effects. Unlike other lesser vitamin C supplements, Optimunity capsules are 100% liposomal, and when ingested, they are absorbed directly in the bloodstream.

Optimunity food supplement packaging and shipment

The company has exclusive pocket-friendly packages, which includes starter- one bottle at $59.95, love-3 bottles at $149.95, and max- 6 bottles at $349.95. Besides, they offer fast, free shipping to all over the globe.

Money-back guarantee

The company offers 100 day-100% money back for the products if the customer is not satisfied. However, this supplement can only be purchased online at Optimunity official website.

2.Immune Defence- Zinc Lozenges with Rosehip and Acerola

Highlights

  • Contains 3.5mg zinc, 2.5mgVitamin C,  per lozenge
  • Vegan and vegetarian friendly
  • Natural aniseed flavour
  • Discounted price
  • Varying packaging sizes
  • Fast and free shipping
  • 100-day money-back guarantee
  • Suitable for the whole family use

 Click on the official website to purchase at a discounted price.

Benefits of Immune Defence

Immune defence is a premium quality organic product comprising of lozenges that boosts the immune system by providing vital minerals, vitamins, and nutrients. This vegan-friendly diet has a soothing aniseed flavor, and it is suitable for both adults and children over the age of 12 years who are at risk of zinc deficiency.

Ingredients

The immunity-boosting properties for each lozenge include 3.5mg zinc, 2.5mg vitamin C, vitamin E, vitamin A, aniseed oil. Magnesium stearate, acerola powder, and rosehip are antioxidants and acts as an inflammatory agent, (5).

How does Immune Defence work?

The immune defence has natural ingredients, minerals, and vitamins that strengthen the immune system.

It is an ideal antiviral, which lessens symptoms, reduces the duration of cold and flu, and boosts the immune system when the body is under stress.

How to Use Immune defence?

The supplement is clinically tested and proven safe for consumption. It has mild or no side effects as long as the correct dosage is administered. They recommend sucking one lozenge at an interval of 2 hours.

Note:

Taking more than four tablets per day is prohibited.

Packaging and Shipment

The supplement is available at flexible packages of 1-month supply at $44.95, 3-month supply at $114.85, and 5-month supply at $174.75, with each pack containing 120 tablets. There is fast and free shipment all over the globe.

Money-back guarantee

The best part of the deal is that,

In case the customer is not satisfied with the product, they give a full refund for purchases of over a month supply as long as it is within 100 days.

Immune defence supplements can only be purchased online from the official website.

3.Hyrbal Defend-Emergency Immune Support

Highlights

  • 10- in -one immunity supplement
  • Contains turmeric and 4.8 billion probiotics
  • 100%  vegan friendly
  • Clinically tested
  • Contains 100% natural ingredients
  • High in antioxidants
  • Enough dosage of vitamin C and zinc
  • 60 capsules per bottle
  • Discounted price
  • Varying packaging sizes
  • Fast and free shipping
  • Suitable adults only

Click here to purchase at a discounted price or visit Hyrbal Defend official website

Benefits of Hyrbal Defend supplement

A remarkable immune-boosting blend that is designed to maintain a healthy immune system. Hyrbal Defend is a 10-in-one complete immunity supplement with a combination of powerful ingredients for the immunity boost. Besides, it is Third-party tested, and it has been manufactured under strict quality control in an FDA registered facility.

Hyrbal Defend natural ingredients

This powerful immune booster has a touch of odourless garlic that acts as an antioxidant. Besides, it contains turmeric and lactobacillus acidophilus probiotics. These ingredients act as an anti-inflammatory besides promoting gut health. In addition, Hyrbal Defend contains zinc, vitamin E, vitamin B6, Elderberries, and Echinacea powder.

How does Hyrbal Defend food supplement work?

Hyrbal Defend contains natural and essential herbs, minerals, and vitamins that strengthen the immune system. It supports a healthy gut, respiratory system, cellular and microbiome health.

Hyrbal Defend is non-GMO and does not contain sugar, gluten, lactose, binder, antibiotics, or preservatives. It is vegan/vegetarian-friendly, recommended for adults consumption, and has mild or no side effects.

How to Use Hyrbal defend Supplement

Each bottle has 60 capsules, and the recommended daily intake is 2 capsules with 8 oz of water during or before meals.

The good news is that:

Unlike other immune boosters with too much vitamin C, Hyrbal Defend contains the required level that, together with other herbs, vitamins, and vegetables, can support the immune health.

Hyrbal defend packaging and shipment.

The company offers a free and fast shipment within the continental United States. However, people living outside the continental US will have to cater to their shipment cost.

Money-back guarantee

The company offers a 30- day 100% money-back guarantee in case the customer is not satisfied with the product.

This product can be purchased from Amazon or through Hyrbal Defend official page.

4.Mega Food- Immune Defense

Highlights

  • Contains 30 tablets in a bottle
  • 100%  vegan friendly
  • Clinically tested
  • Contains 100% natural ingredients and herbs
  • Contains active cultures
  • High in antioxidants
  • Enough dosage of vitamin C and zinc
  • Free of pesticides and herbicides
  • Discounted price
  • Fast and free shipping
  • Suitable for the whole family
MegaFoods Immune Defense

Click here to purchase at a discounted price or visit Mega food- immune Defense official website

Benefits of Mega food- immune Defense

A  uniquely curated healthy nutritional food supplement made from carefully selected herbs, wholesome yeast nutrients, and vitamins to take care of the immune system. It lessens stress and minimizes cold and flu symptoms.

Mega food- immune Defense is free of over 125 tested pesticides and herbicides and offers optimal health benefits.

Mega food- immune Defense natural ingredients

The immunity-boosting properties for this probiotic nutritional supplement include 250mg vitamin C, 5mgzinc, 600mg Elderberry fruit, 500mg Echinacea Aerial plant extract, Andrographis extract, cellulose silica, stearic acid among 20 billion live cultures.

How does Mega food- immune Defense supplement work?

The protective probiotics promote both healthy digestive and immune systems besides functioning as an antioxidant.

The capsules are resistant to stomach acids, safely delivered to the lower intestine, where they are absorbed directly into the bloodstream. The fact is:

Mega food- immune Defense is non-GMO, and does not contain pesticides and herbicides, gluten, dairy, certified B Corp, certified glyphosate residue, or soy. It is vegan/vegetarian friendly and recommended to both children and adults.

How to Use Mega food- immune Defense Supplement

 Each bottle has 15 servings, and the recommended daily dosage is 2 capsules three times a day for 5 days. It can be consumed at any time of the day with food.

Mega food- immune Defense Supplement packaging and shipment

This supplement is shelf-stable and does not require refrigeration. It is packaged in a brown bottle containing 30 capsules. On top of that, they have free and fast shipments all over the globe.

Money-back guarantee

The company offers a 30- day 100% money-back guarantee for the products in case the customer is not satisfied.

For special offers and promotions, purchase this product from Amazon or through Mega food- immune Defense official website.

5.Dr.Mercola Liposomal Vitamin C Supplement

Highlights

  • Contains 60 capsules in a bottle
  • 100%  vegan friendly
  • Clinically tested
  • Contains 100% natural ingredients and herbs
  • 90- day money-back guarantee
  • Discounted price
  • Varying packaging sizes
  • Fast and free shipping
  • 90 serving with 180 capsules per bottle
  • 1000mg of vitamin C per serving
  • Suitable for adults

Click here to purchase at a discounted price.

Benefits of Dr.Mercola Liposomal Vitamin C Supplement

Dr.Mercola Liposomal Vitamin C Supplement is a product by a renowned doctor, Dr.Mercola, who is a passionate pioneer in formulating health products by employing a holistic approach for optimal wellness.

The supplement helps to boosts the immune system by providing vital minerals, vitamins, and nutrients. The supplement capsules are sealed in hard shells that do not allow oxidation of the oils inside, unlike other supplements made of soft gels.

Dr. Mercola Liposomal Vitamin C Supplement natural ingredients

The immunity-boosting properties for this liposomal nutritional supplement include 1000mg vitamin C per serving, beeswax, capsule, paprika extract, sunflower lecithin, and medium-chain triglycerides.

How does Dr. Mercola Liposomal Vitamin C supplement work?

This immune booster uses advanced liposomal technology in transporting vitamin C across the intestinal membrane for quick absorption. In addition, the phospholipids in the formula help to form protective liposomes in the stomach, which minimize the occurrence of gastrointestinal distress.

How to Use Dr. Mercola Liposomal Vitamin C supplement

 Each bottle has 180 pills for 90 servings. The recommended daily intake is two capsules with plenty of water.

More to this:

Dr.Mercola Liposomal Vitamin C Supplement has undergone a clinical test, and it has no side effects. Besides, it is non-GMO, does not contain gluten or soy, and it is vegan friendly.

Dr.Mercola Liposomal Vitamin C Supplement  packaging and shipment

Dr.Mercola Liposomal Vitamin C Supplement is available in 30-day and 90-day supply. Besides, they provide free and fast shipments all over the globe.

Money-back guarantee

The company offers a 90-day 100% money-back guarantee in case the customer is not satisfied with the product.

For special offers and promotions, purchase this product from Amazon or on the official website of Dr.Mercola Liposomal Vitamin C Supplement.

Buying Guide for the Best supplements to Boost Immune System

Vitamin C immune booster has a natural antiviral, antibiotic, antihistamine, and antitoxin properties. As age progresses, the resistant response capability reduces, which makes someone at a high risk of more diseases and infections.

Studies have shown that older people are more likely to contract infectious diseases compared to the young. (6)

Why?

They have weaker natural immunity compared to young people. Scientists have correlated this with the decrease in the number of T cells to fight infections as age progresses. However, deficiency of various micronutrients such as zinc, vitamin, A, B6, E, selenium, folic acid, iron, and copper may alter people’s immune response. (7).

So, what do I do?

Adding immunity boosters pills to supplement natural immunity is highly recommendable for a healthy immune system. Most herbal supplements contain vital ingredients needed for a robust immune system that responds well to infections. (8)

What Is The Best Immune System Booster?

Using minerals, herbs, and vitamins as supplements help to improve immune response to illnesses. The best supplement should not alter the functioning of other OTC medications, but co-work to fight diseases.

Look here,

The best supplements should be those that are:

  • Natural/ Non-GMO
  • Tested for purity
  • Highly bioavailable
  • Made with no artificial additives, colors or fillers
  • Allergen-free

What Are The Best Herbs And Vitamins To Boost Immune System?

Here they are:

Vitamin C: A powerful antioxidant that protects against damage that is induced by free radicals. It helps to rejuvenate the cells, and protects against infections, reduces the severity and duration of diseases in the respiratory tract. (9)

Zinc: Zinc plays a significant role in the inflammatory response. It protects against respiratory tract infections such as pneumonia, cold, and flu. It lessens the duration of the common cold by a considerable margin. (10)

Medicinal mushrooms: Since ancient times, medicinal mushrooms have been in use to prevent and treat infections. Studies show that cordyceps mycelium culture extract supplement reduces bacterial load by a significant percentage. (11)

Astragalus: It is a common herb in Chinese medicine, and it has a significant positive response to diseases and infections.

Selenium: Selenium supplements enhance antiviral diseases. Research shows that it reduces the symptoms of influenza strains, H1N1, with a considerable margin. (12)

Garlic: It has potent anti-inflammatory and antiviral properties; garlic stimulates white blood cells that enhance immunity. (13)

Andrographis: This herb contains components that have antiviral effects research shows that it reduces the symptoms of respiratory diseases such as influenza and cold. (14)

Vitamin B: It helps in making new red blood cells that carry oxygen in the body. In addition, it is essential for a healthy nervous system and brain. (15)

Echinacea: This herb plays a significant role in fighting infections such as colds. Research has shown that it increases the number of white cells in the body and an antiviral effect on the respiratory system. (16)

Propolis: Propolis is a component in beeswax that is used as a sealant in hives. Studies show that propolis is associated with stimulating the cellular immune response that fights against bacterial infections. (17)

Elderberry: This herb has demonstrated a high potent in fighting bacterial pathogens in the respiratory system. It also lessens the strains caused by viral infections such as influenza. (18)

Benefits of Taking Immune System Booster Pills Daily

The diet supplements come with numerous benefits to the immune system.

Here they are!

  • Helps the body to fight against diseases and infections
  • Improves the immune system and heart health
  • They act as antioxidants that protect the body against damage that is induced by free radicals.
  • Lessen  the severity of symptoms to some infections
  • Promotes cell rejuvenation and have an anti-ageing effect
  • They aid in fast recovery from illness and diseases.

What Are Signs Of Weak Immune System?

Body immunity deteriorates with age. The following are some of the primary immunodeficiency signs and symptoms that might make someone opt for immune supplements.

  • Frequent and recurrent infections
  •  Fatigue and stress
  • A blood disorder such as low platelet count
  • Inflammation and infection of the internal organs
  • Unexpected weight loss
  • Delay in growth and development

What Is The Cause Of Low Immunity?

The immune disorder is the leading cause of low immunity. Studies show that it may result due to any of the following reasons:(19)

  • Acquired immune deficiency such as viral infections that weakens the immune system
  • Primary immune deficiency as a result of a weak immune system at birth
  • An allergic reaction, such as eczema, asthma, and food allergy, makes the immune system too active.
  • Autoimmune diseases include lupus, rheumatoid, and type 1 diabetes that makes the immune system fight itself.

How Safe Are These Immune System Booster Pills

Since they are made from natural ingredients, supplements have mild or no side effects. More so, they are clinically tested to be safe for human consumption.

However, taking too much vitamin C immune booster may trigger unpleasant side effects such as abdominal cramps, nausea, and diarrhoea. (20)

Too much intake of vitamin B6 may damage the nervous system (21), whereas too much zinc may alter the absorption of copper, which is crucial to the body.

More importantly:

It is wise to consult a healthcare provider before making any purchase, especially if under any medication or pregnant.

FAQs and Answers

What is an immune booster supplement?

Immune booster supplements are products made from a blend of natural ingredients such as vitamins and herbs to maintain a healthy immune system.

Do immune-boosting supplement work?

Yes!
These supplements have received positive reviews from the users attesting to their effectiveness. Doctors will also advise their clients on the use of supplements that will improve their immunity in addition to adopting a healthy lifestyle.

How do immune boosters work?

·        
The best OTC immune system booster will help create, distribute, and store white blood cells, which help fight disease-causing viruses and bacteria.

Do immune supplements have any side effects?

  
Having been made from natural food ingredients, they have mild or no side effects as long as the user takes the recommended dosage.

Which are the best supplements to boost the immune system?


Any diet supplement with vitamin C as a significant ingredient can be termed as the best. However, for the best results, it should be taken with a balanced diet and exercise.

The bottom line is:

The best foods to boost the immune system are the ones that contain Vitamin C, E, zinc, elderberry, and ginger, among others. However, they cannot replace the immunity offered by a healthy lifestyle.

Engaging in physical activities, eating a balanced diet, and getting enough sleep can also strengthen the immune system.

However, taking too much of the supplement may trigger unpleasant side effects and damage the nervous system.

Numerous OTC immune booster supplements claim to boost the immune system. It is essential to check for the clinically tested supplements and those containing the required amounts of immune-boosting ingredients.

Note that:

Immune booster supplements are not drugs to cure diseases. They lessen the severity and reduce the duration of illnesses caused by viral and bacterial infection.