We Reviewed the Top 20 Brands to Find the Best Quality Immunity Boosters in 2025
Discover the Top-Ranked Immune Supplements for 2025
In an ever-evolving world, maintaining a robust immune system is essential—a dynamic shield that protects us from daily stressors and environmental challenges. As targeted supplements to bolster natural defenses have grown in popularity, immunity boosters have become a trusted option for many. Recognizing this trend, we set out to review the top immunity booster supplements available in the U.S. for 2025, highlighting formulations backed by scientific research and quality ingredients to support your body's natural resilience.
Elisabeth Larsen, Research Specialist
With extensive experience in the field of supplements, Elisabeth stands out as a leading author and researcher. Her expertise is highlighted in our Top 5 Immunity Supplements review article.
Elisabeth Larsen, Research Specialist
With extensive experience in the field of supplements, Elisabeth stands out as a leading author and researcher. Her expertise is highlighted in our Top 5 Immunity Supplements review article.
What are Immune Boosters?
Immunity supplements are specially crafted formulations designed to support a robust immune system.
They blend essential vitamins, key minerals like zinc, and potent herbal extracts such as elderberry and echinacea, each chosen for their time-honored benefits and backed by modern research.
This synergy helps bolster immune cell function, promote healthy inflammatory responses, and reinforce the body’s natural defenses against everyday challenges.
Immunity Supplements May Help With:
What To Look For In An Immunity Supplement
Choose immune supplements that incorporate scientifically-backed ingredients such as vitamin C, zinc, elderberry extract, and echinacea—each researched for their immune-supporting properties. Ensure that the product provides optimal dosages and employs formulations designed to enhance absorption and overall efficacy.
Select supplements manufactured in the USA, where stringent quality standards apply. Additionally, a product that has undergone third-party testing by an independent laboratory offers greater assurance of both quality and safety.
Opt for brands that stand behind their products with a 100% money-back guarantee, ideally offering at least a 60-day return period. This gives you the opportunity to evaluate the supplement risk-free.
A reliable supplement brand should offer an uncomplicated return process. Avoid products that make returning items or obtaining refunds unnecessarily difficult.
What To Avoid
Steer clear of immune supplements that contain unnecessary additives, fillers, or artificial ingredients, as these can dilute the product’s potency and may lead to unwanted side effects.
Be wary of any supplement that claims to treat or cure specific diseases, or that promises miraculous, unrealistic outcomes. Always consult with your healthcare provider before starting any new supplement regimen.
Choosing the cheapest option over a high-quality product can be counterproductive. If a brand fails to clearly disclose the ingredients and their respective dosages, you might end up with an ineffective—or even potentially harmful—supplement.
What We Looked Out For:
A comparison of the best immunity supplements
Meo Nutrition
New Age
Nature's Bounty
Vitboost
Olly
Type
Capsule
Capsule
Softgel
Capsule
Gummies
Unique features
High-dose herbs
Vitamin D3
Prolonged-release
High-dose elderberry
Gummy formulation
Third-party tested
Money back guarantee
24/7 customer service
Price point
$$
$$
$
$
$$$
The Top 5 Immunity Supplements in 2025
9.7/10
TOTAL RANKING
A+
OVERALL GRADE
PROS
- Clean, potent and natural formula.
- Produced in the USA at an FDA licensed facility.
- 60 day, risk free, money back guarantee.
- Recommended by doctors.
- Subscription and bulk discounts offered.
- Third-party tested/certificate of analysis (COA).
- Ships from Texas.
- Over 400.000+ customers.
CONS
- Due to high demand, it may sometimes be sold out.
- Can only be found online.
After reviewing the top 20 immune support supplements, our favorite by far was the Meo Nutrition Emergency Immune Support.
Their Emergency Immune Support offers incredible value with a robust, science-backed formula packed with over 1000 mg of active ingredients designed to fortify your body's natural defenses.
This potent blend combines essential vitamins, minerals, and herbal extracts—including European Elderberry, Echinacea, Garlic, Turmeric, and more—to support optimal immune function and overall wellness.
It is vegan, non-GMO, and free of the top 9 allergens. Moreover, we were impressed by the quick shipping and exceptional support—our order arrived the very next day, and their customer service team was consistently responsive via chat.
In terms of pricing, this supplement is attractively positioned at just $0.66 per capsule—or as low as $0.42 per capsule when purchased in bulk.
It has garnered great reviews online, with many users finding it easy to incorporate into their daily routine and experiencing noticeable benefits.
Lastly, they manufacture all their supplements in Utah, and they are GMP certified and NSF Sports approved, ensuring top-tier quality in every product they offer.
Conclusion
After reviewing the top 20 immune support supplements, our favorite by far was the Meo Nutrition Emergency Immune Support.
Their Emergency Immune Support offers incredible value with a robust, science-backed formula packed with over 1000 mg of active ingredients designed to fortify your body's natural defenses.
This potent blend combines essential vitamins, minerals, and herbal extracts—including European Elderberry, Echinacea, Garlic, Turmeric, and more—to support optimal immune function and overall wellness.
It is vegan, non-GMO, and free of the top 9 allergens. Moreover, we were impressed by the quick shipping and exceptional support—our order arrived the very next day, and their customer service team was consistently responsive via chat.
In terms of pricing, this supplement is attractively positioned at just $0.66 per capsule—or as low as $0.42 per capsule when purchased in bulk.
It has garnered great reviews online, with many users finding it easy to incorporate into their daily routine and experiencing noticeable benefits.
Lastly, they manufacture all their supplements in Utah, and they are GMP certified and NSF Sports approved, ensuring top-tier quality in every product they offer.
2. NEW AGE 8 in 1 Immune Support
9.0/10
TOTAL RANKING
A
OVERALL GRADE
PROS
- Comprehensive herbal blend.
- High-dose of vitamin D and vitamin C.
- 3rd-party lab tested.
CONS
- No money-back guarantee.
- Proprietary blend.
New Age is renowned for its innovative approach to nutritional support, and their 8 in 1 Immune Support is a testament to that reputation.
This supplement combines a comprehensive herbal blend with high doses of vitamin D and vitamin C to deliver robust immune support, all while being third-party lab tested for quality assurance.
However, there are a couple of considerations. The formula uses a proprietary blend, meaning the exact amounts of individual herbal ingredients aren’t disclosed.
Additionally, unlike some competitors, this product does not come with a money-back guarantee.
Overall, if you're seeking a potent immune support supplement with a well-rounded, science-backed formula and quality testing to back it up, New Age 8 in 1 Immune Support is a compelling option.
Conclusion
New Age is renowned for its innovative approach to nutritional support, and their 8 in 1 Immune Support is a testament to that reputation.
This supplement combines a comprehensive herbal blend with high doses of vitamin D and vitamin C to deliver robust immune support, all while being third-party lab tested for quality assurance.
However, there are a couple of considerations. The formula uses a proprietary blend, meaning the exact amounts of individual herbal ingredients aren’t disclosed.
Additionally, unlike some competitors, this product does not come with a money-back guarantee.
Overall, if you're seeking a potent immune support supplement with a well-rounded, science-backed formula and quality testing to back it up, New Age 8 in 1 Immune Support is a compelling option.
3. Nature's Bounty Immune 24 Hour +
8.7/10
TOTAL RANKING
B+
OVERALL GRADE
PROS
- Slow-release formula.
- Money-back guarantee.
- Reasonable price.
CONS
- No testing information.
- Low-doses of botanicals.
Nature's Bounty is a well-respected name in the supplement world, and their Immune 24 Hour + lives up to that reputation.
This supplement is engineered with a slow-release formula that provides a steady stream of immune-supporting nutrients throughout the day, all at a reasonable price point.
Plus, it comes with a money-back guarantee, adding an extra level of trust to its efficacy.
On the downside, the product lacks detailed testing information, and its botanical components are present in relatively low doses compared to some competitors.
Overall, if you’re after a budget-friendly, slow-release immune supplement with the reassurance of a money-back guarantee, Nature's Bounty Immune 24 Hour + is a compelling option, though its lower botanical potency and limited testing data might be considerations for discerning consumers.
Conclusion
Nature's Bounty is a well-respected name in the supplement world, and their Immune 24 Hour + lives up to that reputation.
This supplement is engineered with a slow-release formula that provides a steady stream of immune-supporting nutrients throughout the day, all at a reasonable price point.
Plus, it comes with a money-back guarantee, adding an extra level of trust to its efficacy.
On the downside, the product lacks detailed testing information, and its botanical components are present in relatively low doses compared to some competitors.
Overall, if you’re after a budget-friendly, slow-release immune supplement with the reassurance of a money-back guarantee, Nature's Bounty Immune 24 Hour + is a compelling option, though its lower botanical potency and limited testing data might be considerations for discerning consumers.
4. Vitboost Immune Support 8-in-1
8.2/10
TOTAL RANKING
B
OVERALL GRADE
PROS
- Third-party tested.
- Money-back guarantee.
- Made in the USA.
CONS
- Low dose of botanicals other than elderberry.
Vitboost Immune Support 8-in-1 stands out with its comprehensive approach to fortifying your immune system.
Manufactured in the USA and rigorously third-party tested, this supplement is built on quality and safety, ensuring you get a reliable product every time.
Backed by a money-back guarantee, Vitboost demonstrates confidence in its ability to deliver balanced immune support with a convenient, all-in-one formula.
While the inclusion of a robust dose of elderberry is a highlight, the doses of the other botanicals are on the lower side compared to some competitors. This might be a consideration if you're seeking higher concentrations of a broader range of herbal extracts.
Overall, if you value a product that’s made in the USA, backed by third-party testing and a money-back guarantee, Vitboost Immune Support 8-in-1 is a compelling option for everyday immune support.
Conclusion
Vitboost Immune Support 8-in-1 stands out with its comprehensive approach to fortifying your immune system.
Manufactured in the USA and rigorously third-party tested, this supplement is built on quality and safety, ensuring you get a reliable product every time.
Backed by a money-back guarantee, Vitboost demonstrates confidence in its ability to deliver balanced immune support with a convenient, all-in-one formula.
While the inclusion of a robust dose of elderberry is a highlight, the doses of the other botanicals are on the lower side compared to some competitors. This might be a consideration if you're seeking higher concentrations of a broader range of herbal extracts.
Overall, if you value a product that’s made in the USA, backed by third-party testing and a money-back guarantee, Vitboost Immune Support 8-in-1 is a compelling option for everyday immune support.
5. OLLY Immunity Gummy
7.9/10
TOTAL RANKING
C+
OVERALL GRADE
PROS
- Gummies may be more convenient for some.
- No synthetic colors or flavors.
- Gluten-free, non-GMO & Hypoallergenic.
CONS
- Expensive.
- Only 15 servings per bottle.
- Limited guarantees.
OLLY has carved out a niche in the supplement industry with a focus on enjoyable, convenient formats, and their Immunity Gummy is no exception.
Designed for those who favor a tasty, easy-to-consume option, these gummies are crafted without synthetic colors or flavors and are formulated to be gluten-free, non-GMO, and hypoallergenic.
This makes them a smart choice for individuals seeking a natural approach to immune support.
On the flip side, the product carries a higher price tag and comes with only 15 servings per bottle, which may not suit budget-conscious consumers. Additionally, the guarantees provided are somewhat limited.
Overall, if convenience and a pleasant taste are high on your priority list and you're willing to invest a bit more, OLLY Immunity Gummy offers a unique, quality option for bolstering your immune system.
Conclusion
OLLY has carved out a niche in the supplement industry with a focus on enjoyable, convenient formats, and their Immunity Gummy is no exception.
Designed for those who favor a tasty, easy-to-consume option, these gummies are crafted without synthetic colors or flavors and are formulated to be gluten-free, non-GMO, and hypoallergenic.
This makes them a smart choice for individuals seeking a natural approach to immune support.
On the flip side, the product carries a higher price tag and comes with only 15 servings per bottle, which may not suit budget-conscious consumers. Additionally, the guarantees provided are somewhat limited.
Overall, if convenience and a pleasant taste are high on your priority list and you're willing to invest a bit more, OLLY Immunity Gummy offers a unique, quality option for bolstering your immune system.
CITATIONS
- Wieland LS, Piechotta V, Feinberg T, Ludeman E, Hutton B, Kanji S, Seely D, Garritty C. Elderberry for prevention and treatment of viral respiratory illnesses: a systematic review. BMC Complement Med Ther. 2021 Apr 7;21(1):112. doi: 10.1186/s12906-021-03283-5. PMID: 33827515; PMCID: PMC8026097.
- Hawkins J, Baker C, Cherry L, Dunne E. Black elderberry (Sambucus nigra) supplementation effectively treats upper respiratory symptoms: A meta-analysis of randomized, controlled clinical trials. Complement Ther Med. 2019 Feb;42:361-365. doi: 10.1016/j.ctim.2018.12.004. Epub 2018 Dec 18. PMID: 30670267.
- Ivanova, Diana, Milka Nashar, Yoana Kiselova-Kaneva, Oskan Tasinov, Deyana Vankova, and Neshe Nazifova-Tasinova. "The impact of human intervention studies on the evaluation of medicinal plant antioxidant and anti-inflammatory activities." Human Health and Nutrition: New Research; Nova Science Publishers, Inc.: Hauppauge, NY, USA (2015): 145-166.
- Aucoin M, Cardozo V, McLaren MD, Garber A, Remy D, Baker J, Gratton A, Kala MA, Monteiro S, Warder C, Perciballi A, Cooley K. A systematic review on the effects of Echinacea supplementation on cytokine levels: Is there a role in COVID-19? Metabol Open. 2021 Sep;11:100115. doi: 10.1016/j.metop.2021.100115. Epub 2021 Jul 29. PMID: 34341776; PMCID: PMC8320399.
- Arreola R, Quintero-Fabián S, López-Roa RI, Flores-Gutiérrez EO, Reyes-Grajeda JP, Carrera-Quintanar L, Ortuño-Sahagún D. Immunomodulation and anti-inflammatory effects of garlic compounds. J Immunol Res. 2015;2015:401630. doi: 10.1155/2015/401630. Epub 2015 Apr 19. PMID: 25961060; PMCID: PMC4417560.
- Tiralongo E, Wee SS, Lea RA. Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial. Nutrients. 2016 Mar 24;8(4):182. doi: 10.3390/nu8040182. PMID: 27023596; PMCID: PMC4848651.
What You Will Learn:
- The benefits of a high quality immune supplement
- What to look for in a immune supplement
- The top 5 immune supplements
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*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.
Note: The information contained within this site is not intended as a substitute for professional medical advice. If you have, expect to have, or suspect you may have any medical condition, you are urged to consult with a healthcare provider. All content, including text, graphics, images, and information, contained on or available through this website is for general information purposes only. Results do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Trademarks utilized on our website belong to their respective owners and no implied or expressed endorsement of our website or services is intended. Rankings can be affected by the relationship Supplement Review has with our picks.
[1] This website is owned and operated by Cosari® and Meo Nutrition® brands.
*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.
Note: The information contained within this site is not intended as a substitute for professional medical advice. If you have, expect to have, or suspect you may have any medical condition, you are urged to consult with a healthcare provider. All content, including text, graphics, images, and information, contained on or available through this website is for general information purposes only. Results do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Trademarks utilized on our website belong to their respective owners and no implied or expressed endorsement of our website or services is intended. Rankings can be affected by the relationship Smarter Choices has with our picks.
© 2025 supplement-review.co
All Rights Reserved.