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Immune system booster

  • Curcumin Plus - 60 capsules
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    Curcumin Plus - 60 capsules

    GN Laboratories

    The ultimate superfood to support health and well-being with a maximum concentration of active ingredients and a üb...

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  • Curcumin Novasol® - 60 capsules
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    Curcumin Novasol® - 60 capsules

    Gods Rage

    Curcumin Novasul - Spartan Blood Spartiat Curcumin is one of the most potent active ingredients to support your immune system and health...

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  • Astragalus - 90 capsules
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    Astragalus - 90 capsules

    GN Laboratories

    The traditional medicinal plant from traditional Chinese medicine, which possesses a wide range of very interesting health benefits,...

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  • Citrus Bergamot - 90 capsules
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    Citrus Bergamot - 90 capsules

    GN Laboratories

    Improve your cholesterol and blood lipid levels and protect the health of your cardiovascular system through multiple pathways Product Highlights...

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  • Anti Inflammation - 60 capsules
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    Anti Inflammation - 60 capsules

    Gods Rage

    Fights the firestorm of inflammation to speed up your recovery and eliminate muscle and joint pain while giving you gl...

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  • Quercentin Dihydrate - 90 Capsules
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    Quercentin Dihydrate - 90 Capsules

    GN Laboratories

    The healthy antioxidant flavonoid that has countless positive effects on health and well-being Product Highlights: Possesses exquisite...

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  • Ulfhedinn Cordyceps Sinensis - 60 Capsules
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    Ulfhedinn Cordyceps Sinensis - 60 Capsules

    Gods Rage

    Become the alpha wolf among the strongest of Norse warriors! Warrior Highlights: Maximum endurance and delay exhaustion to keep you...

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  • Ginger Extract - 60 Capsules
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    Ginger Extract - 60 Capsules

    GN Laboratories

    Ginger Extract GNLaboratories Health Line The traditional medicinal plant that has a variety of health benefits and has been used for almost 3 millennia....

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  • NovaSol Curcumin - 90 capsules
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    NovaSol Curcumin - 90 capsules

    Big Zone

    NovaSol®-Curcumin Big Zone NovaSol®-Curcumin Liquid Caps contain curcumin in the particularly potent NovaSol® liquid form. This active ingredient is s...

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  • Citrus Bergamot - 90 capsules
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    Citrus Bergamot - 90 capsules

    Big Zone

    The bergamot is a citrus fruit not suitable for consumption, which seems to be a cross between a citron and bitter orange Beso...

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  • Curcumin Pro - 60 capsules
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    Curcumin Pro - 60 capsules

    PEAK

    Highly bioavailable liver support formulation with co-substrates. Highly concentrated 50:1 turmeric extract (250 mg per serving) Oriental superfood au...

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  • Sulforaphane Broccoli Extract - 60 Capsules
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    Sulforaphane Broccoli Extract - 60 Capsules

    GN Laboratories

    The healthy broccoli plant extract that promote cardiovascular health, support detoxification of the body and enhance immune function....

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  • Cystone - 100 tablets
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    Cystone - 100 tablets

    Himalaya

    Cystone The ultimate choice for urinary stone formation and urinary tract infections Product Highlights Anti-lithiatic and lithotriptic: Cystone prevents...

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  • Immuno Stack - 60 capsules
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    Immuno Stack - 60 capsules

    Stacker 2

    Immuno Stack contains ingredients commonly used to support the immune system This formula contains vitamins, minerals, pl...

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  • ANTI-OX Power Blend - 60 capsules
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    ANTI-OX Power Blend - 60 capsules

    Olimp Sport Nutrition

    if you really care about your health, don't choose mediocre and cheap supplements but the absolute complex - Olimp A...

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  • All In One Immune Drink Health+ - 300g
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    All In One Immune Drink Health+ - 300g

    Zec+

    Your weapon in the fight against pathogens The ALL IN ONE IMMUNE DRINK from HEALTH+ NUTRITION is THE ANSWER to a widespread problem - e...

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  • Panax ginseng - 60 capsules
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    Panax ginseng - 60 capsules

    Biotech USA

    Why do we recommend the product BioTechUSA Panax Ginseng? contains natural plant extract 60 daily rations KOREAN GINSENG (PANAX GINSEN...

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  • Micellar Curcumin Health+ - 60 Capsules
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    Micellar Curcumin Health+ - 60 Capsules

    Zec+

    The micellar curcumin extracted from the plant is contained in the HEALTH+ capsules as a high-dose extract The turmeric plant provides the wer...

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  • Holy Basil 60 Tabs - 60 tablets
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    Holy Basil 60 Tabs - 60 tablets

    Himalaya

    Holy Basil (Tulasi) Product Highlights: Supports the respiratory tract Possesses significant antioxidant properties Free of sugar, artificial fa...

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  • Fiber Complex - 120 tablets
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    Fiber Complex - 120 tablets

    Biotech USA

    FLAVORED CHEWABLE TABLET FOR WEIGHT CONTROL WITH INULIN AND CHROMIUM. 2,700 g of fiber per serving With additional chromium Chewable tablets with fr...

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  • Immuno Xplode Powder - 210g
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    Immuno Xplode Powder - 210g

    Olimp Sport Nutrition

    The brand Olimp Sport Nutrition proudly presents its new product from the popular series Xplode - Immuno Xplode Powder! Contributing to a normal...

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  • Immune Advance - 60 capsules
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    Immune Advance - 60 capsules

    Weider

    For the support of the immune system Our WEIDER Immune capsules combine high-quality plant extracts with essential vitamins & minerals...

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  • Curcumin Plus - 120 capsules
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    Curcumin Plus - 120 capsules

    Tested Nutrition

    Tested Curcumin For healthy, pain-free joints and optimal health Product Highlights. Promotes the maintenance of healthy, pain-free...

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Being sick is probably one of the things most people hate. Whether it's a pesky cold or the flu, most would give anything to prevent getting sick. With that in mind, it's no wonder that there is no shortage of supplements that promise to keep users from getting sick. Sadly, not all of these products deliver on their promises.

Strengthening the immune system

When it comes to strengthening the immune system, there are many common sense approaches that most will be aware of. These include getting enough sleep, avoiding excessive stress, exercising regularly and eating a balanced diet.

But if you're a serious athlete who trains hard, you've probably experienced firsthand that repeated strenuous and/or prolonged training can increase your risk for infections. Sports scientists have recognized that too much strenuous and demanding training can suppress the immune system (1). Competitive athletes and even average fitness enthusiasts know that few things can hinder the achievement of fitness goals more than injury or illness. Staying healthy allows for periodized training that ultimately results in improvements in strength and athletic performance. For this reason, athletes and trainers are always eager to develop new strategies to reduce the risk of infection and other illnesses.

The best supplements to strengthen the immune system

The question about which supplements are best to boost the immune system comes up quite often. Immune system function can be measured in different ways, and beyond that there are the different parts of the immune system called innate immunity and acquired immunity. When it comes to testing the effects of different supplements on immune function, it can be difficult to directly compare studies because of these different ways used to measure immune function. Regardless, there are a number of foods, vitamins, plant extracts and supplements that have been scientifically proven to have the ability to promote immune system function.

Foods that strengthen the immune system

When it comes to foods, there are few that have been truly scientifically proven to have a positive effect on the immune system. Some popular examples would be yogurt and chicken broth. One popular superfood really worth mentioning is spirulina. Spirulina is known for its high content and wide range of micronutrients, and there are a lot of scientific studies that have looked at the effects of spirulina on different areas of health. When it comes to the immune system, several studies have shown that supplementation with 5 to 10 grams of spirulina per day can help improve immune system function, antioxidant levels, and exercise performance (2-4).

Vitamins strengthening the immune system

Probably the most commonly used vitamin to strengthen the immune system is vitamin C. However, even though there are a plethora of studies that have examined the effects of vitamin C on the common cold, there is still no conclusive answer to the question of whether vitamin C can actually prevent a cold or whether it can reduce the duration and severity of a cold (5). Previous research examining the factors that determine the effectiveness of vitamin C supplementation suggests that dose and age of the individual may be important factors, with dosages above 2 grams being much more effective and children responding better to vitamin C than adults. Despite all the controversy, vitamin C supplementation has been shown to be very safe, so the benefits outweigh any potential drawbacks.

Quercetin and the immune function

Another substance that is supported by a great deal of credible science and could be more broadly classified as a vitamin is the flavonoid quercetin. Quercetin is the most abundant flavonoid found in fruits and vegetables. There have been a number of recent studies that have shown that quercetin can not only significantly improve immune function in athletes but, in addition, has benefits in terms of performance, body composition, and antioxidant response to athletic training (6, 7). Vitamin C and quercetin act synergistically together and it has been shown that this combination has benefits that go beyond the combination of the individual effects of the two substances (8, 9).

Plant extracts strengthening the immune system

If you ask the average person which plant extract they would associate with improving the immune system, you will almost always get Echinacea as the answer. This is because Echinacea is the plant that has been studied the most, and the best, in terms of its ability to boost the immune system. However, even after all this research, there is still no real consensus among scientists as to whether echinacea can really reduce the frequency of occurrence, symptoms, or duration of a common cold (10). Some of this confusion may be explained, at least in part, by the extreme range of types and strengths of echinacea extracts that have been investigated in different studies. Some more recent studies conducted with highly standardized and high-quality echinacea extracts show without a doubt that echinacea does indeed strengthen immune system function (11, 12).

Supplements strengthening the immune system

Many sports supplements claim to boost immune system function. One of the few such supplements whose effects are supported by solid science is colostrum. Studies with subjects ranging from endurance athletes to strength athletes have shown that colostrum supplements can help reduce the incidence of common infections such as upper respiratory tract infections (13). Colostrum is basically a protein, which is why scientists have had a hard time explaining exactly how it works, since colostrum is actually supposed to be broken down into its components in the digestive tract like all other proteins.

However, colostrum is known to have high levels of bioactive compounds and scientists now believe that some of these compounds escape digestion and therefore remain biologically active even after consumption (13). The only downside to colostrum is that it is not cheap and in addition to this, most studies show that you have to use larger amounts to see an effect. The lowest dosage used in one study that showed a positive effect on performance and immune function was 10 grams (14). Most other studies used as much as 20 to 60 grams (14). At such dosages, daily supplementation with cholostrum becomes very expensive.

Conclusion

In summary, staying healthy and free of infections is something that is highly valued by any athlete regardless of whether they are a professional athlete or a recreational athlete. There are a variety of supplements that promise to improve the function of the immune system and make it more resistant to infections. Unfortunately, it is all too easy to waste money unnecessarily on immune system supplements that are not scientifically proven to work, especially if you don't pay attention to the basics like sleep, stress management, and nutrition.

Particularly for competitive athletes and others who train intensively, the intense training often performed on a daily basis can compromise immune system function, increasing the risk of infection. For this group of people, certain supplements, foods and vitamins can offer significant benefits when it comes to staying healthy. Using common sense, one will realize that a balanced approach that includes lifestyle, exercise and supplementation is the best way to stay healthy.

References:

  1. Gunzar W, et al. Exercise-Induced Immunodepression in Endurance Athletes and Nutritional Intervention with Carbohydrate, Protein and Fat-What Is Possible, What Is Not? Nutrients. 2012 September; 4(9): 1187-1212.
  2. Selmi C, et al. The effects of Spirulina on anemia and immune function in senior citizens. Cell Mol Immunol. 2011;8(3):248-254.
  3. Park HJ, et al. A randomized double-blind, placebo-controlled study to establish the effects of spirulina in elderly Koreans. Ann Nutr Metab. 2008;52(4):322-8.
  4. Kalafati M, et al. Ergogenic and antioxidant effects of spirulina supplementation in humans. Med Sci Sports Exerc. 2010;42(1):142-151.
  5. Hemilla H & Chalker E. Vitamin C for preventing and treating the common cold. Cochrane Database Syst Rev. 2013 Jan 31;1:CD000980.
  6. Pelletier DM, et al. Effects of quercetin supplementation on endurance performance and maximal oxygen consumption: a meta-analysis. Int J Sport Nutr Exerc Metab. 2013;23(1):73-82.
  7. Glesson M. Nutritional Support to Maintain Proper Immune Status during Intense Training. Nestle Nutr Inst Workshop Ser. 2013;75:85-97.
  8. Askari G, et al. Does quercetin and vitamin C improve exercise performance, muscle damage, and body composition in male athletes? J Res Med Sci. 2012;17(4):328-31.
  9. Askari G, et al. Quercetin and vitamin C supplementation: effects on lipid profile and muscle damage in male athletes. Int J Prev Med. 2013;4(Suppl 1):S58-62.
  10. Linde K, et al. Echinacea for preventing and treating the common cold. Cochrane Database Syst Rev. 2006 Jan 25;(1):CD000530.
  11. Woelkart K, et al. Bioavailability and pharmacokinetics of Echinacea purpurea preparations and their interaction with the immune system. Int J Clin Pharmacol Ther. 2006 Sep;44(9):401-8.
  12. Schapowal A. Efficacy and safety of Echinaforce® in respiratory tract infections. Wien Med Wochenschr. 2013 Feb;163(3-4):102-105.
  13. Davison G. Bovine colostrums and immune function after exercise. Med Sport Sci. 2013;59: 62-69.
  14. Shing CM, et al. The influence of bovine colostrum supplementation on exercise performance in highly trained cyclists. Br J Sports Med 2006;40:797-801.
  15. Hemilla H. Vitamin C supplementation and common cold symptoms: factors affecting the magnitude of the benefit. Med Hypotheses. 1999 Feb;52(2):171-8.