Top 5 Immune Boosting Supplements – Full Analysis, Reviews & Buying Guide (2023)

The immune system’s overall function is to protect the body from infections and diseases. It is a complex system of cells, tissues, and organs present throughout the human body [*]. Proper nutrition is key to a healthy immune system. 

Nutrients that support immune function include iron, zinc, selenium vitamins A, C, D, E, B6, B12, and omega-3 fatty acids . A diet lacking these nutrients can negatively affect immune response [*****]. 

There is a wide variety of supplements available in the market for immune support. These daily immune supplements typically contain varying mixtures of vitamins, minerals, herbs and probiotics. 

The popularity of immune boosting supplements has led to hundreds of brands flooding the marketplace; however not all supplements are created equal! Unfortunately, more than 90% of immune boosting supplements in the market simply DON’T WORK!

We understand the challenges in finding the right supplement for your health needs. That’s why we gathered years of research and made this guide to help you find the top-rated formulas that work for you.

What To Look For

An effective immune boosting formula needs to have a wide variety of ingredients such as:

• Vitamin C
• Zinc
• Elderberry fruit extract
• Turmeric
• Probiotic (Lactobacillus Acidophilus)

Things To Be Cautious About

Has your brand been third-party tested? You should never buy supplements that don’t have Certificate of Analysis. The studies should be conducted in labs that are not affiliated with the manufacturer. These labs verify the product for safety and potency.

Does your immune boosting supplement contain cheap synthetic fillers? Some brands add artificial fillers to cut cost to offer cheap products. Some of these cheap fillers we found were titanium dioxide and artificial coloring. You should never purchase cheap products when it comes to supplements.

No return policy or customer service – A reputable supplement company will offer 100% money-back guarantee policy and provide customer support through phone number and email. We noticed many formulas out there are just copies of the top-rated brands. They don’t offer an easy refund policy or don’t even have a phone number to prove they are real.

Top 5 Immune Boosting Supplements

The result: we reviewed over 100+ brands of Immune Boosting Supplements in the market and complied a list of top 5 formulas based on effectiveness, safety, pricing, return policy, and overall customer satisfaction.

1. MegaFood Immune Defense

*Individual Results May Vary – Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product websites for more information.

2. Nature’s Way Sambucus

*Individual Results May Vary – Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product websites for more information.

3. New Chapter Immune Defense

*Individual Results May Vary – Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product websites for more information.

4. Source Naturals Wellness Formula

*Individual Results May Vary – Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product websites for more information.

5. Now Immune Renew

*Individual Results May Vary – Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product websites for more information.

Ranking Factors

Shipping & Return Policy: we check the shipping and return policy of each recommended product to make sure these brands stand behind their products.

Customer Service: we contact the top rated brands through email, chat or phone to make sure they are responsive and can answer potential questions customers might have.

Essential Ingredients: we verify the ingredients in every top rated brands, their safety and dosage amount in comparison with the latest scientific studies.

Overall Effectiveness: we check with real customers through their reviews and testimonials to make sure the top brands are as effective as they claim to be. We recommend the top 5 formulas based on their average score.

We highly recommend our reader to do their own research, read real reviews and contact any brands directly to make sure they can provide the products and services based on their needs.

*This is a subjective assessment based on the strength of the available information and our independent research and customer feedback. Results may vary based on individual.

Disclosure of Material Connection: we only recommend products and services which we believe will add value to the users. However, you should assume the owner of this website and/or blog has an affiliate relationship and/or another material connection, to any suppliers of goods and services that may be discussed here and may be compensated for showing ads or recommending products or services or linking to the supplier’s website.

Sources and Citations

1. Exercise, nutrition and immune function https://pubmed.ncbi.nlm.nih.gov/14971437/
2. Immune-boosting role of vitamins D, C, E, zinc, selenium and omega-3 fatty acids… https://pubmed.ncbi.nlm.nih.gov/33308613/
3. Effects of Omega-3 Fatty Acids on Immune Cells https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6834330/
4. Vitamin effects on the immune system: vitamins A and D take centre stage https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2906676/
5. Medicinal Plants to Strengthen Immunity… https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7602650/