How To Boost Your Body's Natural Defenses

Our immune system plays a vital role in our overall well being, and most Americans are aware of this. However, millions over 40 years old are at risk because they don’t take care of their immune system properly! 

Chances are, you’ve might have been doing it wrong too..

An apple a day keeps the doctor away, right? Well, it's not that simple... Our immune system needs a lot more than just one apple. The nutritional demands the body has of us are, at times like these, very high. In today’s society where the risk of health becomes a greater concern, we need to know how we can best strengthen our immune system and our overall health.

Along with proper nutrition, sleep, and rest, immune boosters could be your best option to boost your body's natural defense.

Our Choice: Immune Booster 2020

Our Choice 2020

There are plenty of immune boosters on the market today that promise to boost immunity and act as a defense against viruses. Yet it can be difficult to navigate an overwhelming variety of immune boosters, their advertised benefits and ingredients.

We've done the work for you and compiled a review containing our top 5 choices for immune boosters in 2020, including a helpful guide for what to look for and what to avoid in immune boosting supplements.

by Primal Harvest [1]

327 Reviews

Immune Defense

USA-made in GMP & NSF-certified facility

Third Party Lab Tested

Doctor Formulated 

90-Day Money-Back Guarantee

High Doses of Proven Immune Boosting Ingredients 

2,982 people chose this today

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1. Primal Immune Defense

by Primal Harvest[1]

TOTAL RANKING

327 votes

9.7/10

Ingredient Quality Control

Potency & Estimated Efficacy

Price / Customer Value

Return Policy

Overall Customer Happiness

9.6/10

9.7/10

9.4/10

9.8/10

9.7/10

PROS

CONS

USA-made in GMP & NSF-certified facility 


"No questions asked" 90-day Money-Back-Guarantee


Doctor-formulated immune booster 


Has powerful immune boosting Lactobacillus acidophilus La-14 and Bifidobacterium bifidum probiotics.


High dosage of Vitamins C, D3, B6


40mg of Zinc

Only available online


Sometimes runs out of Stock

The Bottom Line

We have no doubt at all about the quality and efficacy of Primal Immune Defense by Primal Harvest. It's a remarkable all-in-one immune support formula that helps maximize your body’s natural defenses. It combines the most important scientifically-backed immune supporting vitamins like C, B6, and D3, with high doses of zinc, prebiotics, and 14 billion CFU’s of high potency Lactobacillus acidophilus LA-14 & Bb-06 probiotics. Backed by scientific research, top-notch ingredients and the 90-day money-back guarantee on it, we are 100% confident in our #1 pick.

Besides aiding healthy immune system, Primal Immune Defense helps with digestion and improving general health. The capsules are extra small, making it easy to consume every single day.

You'll get a highly effective supplement that will supply your body with all the much-vaunted health benefits that Primal Immune Defense can offer. Plus, you can rest assured, the quality is ensured  and backed by independent 3rd party lab tests.

Immune Defense's pricing stands out, especially when you buy multiple bottles. The price drops dramatically and since continued use over months is recommended to achieve the best benefits, buying a 3-6 month supply is a no-brainer.

There’s just a small thing: they get sold out really fast. So we recommend you hurry and place your order if you are now assured that this will be beneficial to your health.

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2. Ultimate Immune
Defense

by Gannon Med

B+ Rating

PROS

CONS

High in vitamin C


Contains Zinc


Contains elderberry for immune support


Regularly taking over 40mg of zinc may cause upset stomach



4 pill serving size

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TOTAL RANKING

215 votes

8.3/10

Ingredient Quality Control

Potency & Estimated Efficacy

Price / Customer Value

Return Policy

Overall Customer Happiness

8.6/10

7.9/10

9.1/10

8.0/10

8.4/10

Immune Defense

by Zahler

C+ Rating

PROS

CONS

Contains a high serving of vitamin C (667%)


10,000% of % DV of Panthothenic Acid. This is a also known as vitamin B5

No zinc, and not a very diverse product. No probiotics.


4 pill serving size

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TOTAL RANKING

567 votes

7.5/10

Ingredient Quality Control

Potency & Estimated Efficacy

Price / Customer Value

Return Policy

Overall Customer Happiness

7.9/10

7.4/10

8.6/10

7.2/10

7.7/10

Best Immune Booster 2020

Latest update: July 28, 2020

Latest Reviews

Unique Features

Comparisons

Costs & More

4. Legion Immune

by Legion

C Rating

PROS

CONS

Affordable Price & 2 pill serving size (90 servings per container).

Contains both vitamin C & zinc

Although garlic and ginseng have positive properties there is little evidence these ingredients have more than potential to aid your immune system. 

Contains geranium, this is a often used in nasal decongestants and cough medicine. It is also banned in many sports. So take with caution. 


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TOTAL RANKING

137 votes

7.3/10

Ingredient Quality Control

Potency & Estimated Efficacy

Price / Customer Value

Return Policy

Overall Customer Happiness

7.3/10

7.9/10

6.7/10

8.0/10

6.9/10

5. Immune Force

by BIOSCIENCE

C- Rating

PROS

CONS

"Doctor Recommended" - (NOT formulated)



USA-Made and Health Canada Licensed

No information outside of the ingredients - little transparency.



Strong claims made, but no evidence these are proven. 

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TOTAL RANKING

567 votes

7.0/10

Ingredient Quality Control

Potency & Estimated Efficacy

Price / Customer Value

Return Policy

Overall Customer Happiness

6.2/10

6.4/10

8.6/10

7.2/10

6.5/10

Immune boosters can help improve your body's natural defenses

Your Gut Is The Cornerstone Of Your Immune System

The idea of boosting your immune system is alluring, but the ability to do so has proven to be difficult for multiple reasons. The immune system is a system, not a single entity and there is no single solution. To function well, your immune system requires balance and harmony... in your gut.

Over 70% of your immune system’s cells are connected to your digestive tract1. Healing your gut is the first and most important step to protecting yourself against viruses and harmful bacteria.  

Your intestines are home to roughly 10x more microorganisms than human cells in your entire body2. When balanced, your intestinal microflora (your gut) fights off harmful bacteria that cause illness. Daily supplementation with vitamins, minerals and probiotics is a great immunity-boosting tool!

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[1] we have a financial relationship with some of our top picks and partners

CITATIONS

*These statements have not been evaluated by the FDA Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. The information provided by this website or this company is not a substitute for a face-to-face consultation with your physician and should not be construed as individual medical advice. The testimonials on this website are individual cases and do not guarantee that you will get the same results. All content, including text, graphics, images and information, contained on or available through this web site is for general information purposes only. 

A Guide To Our Rankings: 

How We Picked our Top Choice

After intense research, consultations & numerous customers interviewed, we found the following five products that became our top picks. 

We chose these five based on the following factors:

Evaluation Criteria

Ease to Swallow 

Affordability / Value 

Ones-Daily regimen

Impressive Results

Clearly Labeled Ingredients

Effective concentration percentage

Company Reputation

30+ Hours Researched

3 Experts Consulted

20 customers Interviewed

What To Avoid:

Glorified vitamin C supplements

A supplement containing high dosages of just vitamin c is not ideal to boost a complex immune system.

Supplements with no probiotics

70-80% of immune cells live in your gut. Not addressing your gut health is a major oversight.

Unproven vitamins & minerals

It's always better to stick with a supplement containing well researched and scientifically proven ingredients instead of relying on marketing terms.

Extremely Low or High Price

Do your research before buying an overpriced or suspiciously cheap supplement. Do not cut corners for your immune health.

Key Ingredients To Look For

Considering your gut makes 70-80% of the cells in your immune system, probiotics are crucial for long term immune system. In particular LA-14 Lactobacillus Acidophilus probiotic has been heavily researched as the top immune-boosting strain.3

Probiotics 

Has been used to fend off and reduce the duration of flu and common cold symptoms for years. Zinc is needed for immune cell development and communication and plays an important role in inflammatory response. We recommend a supplement with at least 20mg of Zinc.4

Zinc 

Vitamin C

The classic Hero of Immunity. Vitamin C contributes to immune defense by supporting various cellular functions of both the innate and adaptive immune system. A good immune boosting supplement contains at least 300 mg of vitamin C.5

Vitamin D is essential for immune function. Healthy levels of this vitamin may help lower  risk of respiratory infections. A good starting point of vitamin D3 is 1000 UI.6

Vitamin D

Vitamin B

B vitamins, including B12 and B6, are important for healthy immune response. Yet, many adults are deficient in them, which may negatively affect immune health.7