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A study published in the Nutrition Journal revealed that competitive male cyclists using a probiotic supplement had a 50 percent decrease in symptoms of upper respiratory tract infection.
We all know regular exercise is good for us, but athletes fall within a different category -- strenuous exercise may inflame the body. For athletes, a daily probiotic, like the Body Ecology Bifidus Power Blend, can be a prime supporter of immune health.
The randomized control trial, conducted in 2011, took a sample of 99 people, 64 of which were male and 35 were female. They were all an average age of 35 years old and all competitive cyclists. For 11 weeks, participants were randomly assigned to receive either a placebo or a probiotic supplement.
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The results: The males in the study had a significant increase in L. fermentum taking up residence in the gastrointestinal tract, 7.7-fold, whereas female participants had an overall 2.2-fold increase in L. fermentum. Likewise, the males in the study revealed an overall decrease in upper and lower respiratory tract infection, and females saw no change or even an increase in lower respiratory illness, although a decrease in severity. 1,2
These results give us more insight into what researchers have been trying to explore for years: how probiotics impact athletic performance. In 2015, when researchers examined the clinical and physiological effects of probiotic supplementation for athletes, they confirmed that — because of probiotics’ ability to directly interact with gut microbiota — probiotics may impact the immune system and influence immune signaling with organs and other systems in the body. Researchers also considered good gut health important to help the body adapt to exercise and physical activity.3
Getting into the habit of exercising from a young age can change gut bacteria for the better, improving metabolism and brain health over a lifetime.4
A 2014 study conducted in association with the Irish Rugby Football Union found that both exercise and diet can influence microbial diversity in the gut — athletes were found to have more diverse gut bacteria than the control group.5 High microbial diversity has been linked to good health. Scientists have even investigated bacteria-rich bovine colostrum, similar to mother’s first milk, to use as a tool to reduce gut permeability, or leaky gut, in Olympic athletes. Exercise-induced gut disorders, like leaky gut, are known to be especially common among runners.6
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While researchers in the original Nutrition Journal study concluded that more studies were needed to determine why there was a difference between genders, they did look at pro-inflammatory and anti-inflammatory cytokines as possibly being responsible for the variation.
Cytokines are small protein molecules that modulate the immune system.
They are secreted by the glial cells of the nervous system and by immune cells. Cytokines are like messengers between cells that open up the lines of communication throughout the entire body. The gut, which comprises the enteric nervous system, has both glial cells and neurons, which are commonly thought to correspond to only the central nervous system. This is why a severe and chronic inflammatory response in the gut often is linked to a permeable blood-brain barrier.
Brain fog, especially after eating an allergenic food, is one of the most common associations between the gut and the brain. An excited immune system with the release of pro-inflammatory cytokines that originate in the gut means the entire body goes on red-alert. This is especially true of those tissues that are rich in glial and immune cells.
Cytokines are similar to hormones.
Sometimes, the effect of cytokine communication is systemic, rather than simply local and restricted to one area of the body. Some cytokines will actually trigger the release of other cytokines; for this reason, they are of particular interest in understanding autoimmune conditions and systemic inflammation.
Certain cytokines are considered biomarkers of systemic inflammation. These are:
These biomarkers are associated with age-related diseases, such as diabetes and atherosclerosis. CRP has been strongly implicated in the development of atherosclerosis, as it shows up in coronary artery smooth muscle cells. Also, IL-6 and TNF-alpha have been found to activate CRP.
Interleukin-12 (IL-12) modulates the T helper cell 1 (Th1) and T helper cell 2 (Th2) responses and has been implicated in autoimmunity. It is also a precursor to TNF-alpha, a pro-inflammatory cytokine mentioned above. Interestingly, intestinal flora has been found to enhance IL-12 production in the spleen.7
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Several studies have found that while moderate exercise benefits the immune system, repeated strenuous exercise has been found to actually impair the cellular immune system and increase inflammation. This is because the body sees intense exercise as a physical stressor, impinging on immune cell function.
The answer can be found somewhere between the two.
More than 20 years ago, University of Toronto researchers confirmed that light physical activity is enough to boost the immune system of people exercising for the first time.8 In 2012, Loughborough University researchers delved deeper when they discovered that moderate exercise can reduce the risk of catching a cold-like infection, while strenuous exercise, like running a marathon, could make susceptibility to a cold worse.9 Extreme exercise can even result in blood poisoning by causing bacteria to leak into the bloodstream, according to a 2015 study conducted by Monash University.10
The best way to approach exercise, as an athlete or everyday exerciser, is by giving your body the fuel it needs to move and compete. Body Ecology’s vegan Immune Power Protein Shake supports energy, weight loss, and gut health at all levels of activity. For daily probiotic protection needed for strenuous exercise, the Body Ecology Bifidus Power Blend is designed to relieve gut disorders — including gas, diarrhea, constipation, bloating, and stomach pain — while equipping the immune system to fight off infection.
When all else fails, don’t forget the Body Ecology Principles of Step-by-Step and Uniqueness. Approach each exercise one step at a time so that you don’t over-extend or over-stress your body. And with each physical challenge, remember that we are all unique — a high-intensity exercise that works for one person may be damaging to another. Be good to your body, and it will be good to you.
As an athlete or exerciser, should you take a daily probiotic? The research is extensive. Athletes and high-intensity exercisers, who may be at risk for a wide range of exercise-induced gut disorders, could benefit from a daily probiotic that can ward off infection by strengthening the immune system. Embracing a regular exercise routine can also have a beneficial effect on the gut — altering gut bacteria for the better and even improving metabolism and brain health from a young age.
We also know that:
To finish any workout strong, while keeping the gut healthy, you need the right fuel in your belly. Mixing up Body Ecology’s vegan Immune Power Protein Shake before a tough workout can help to maintain energy levels and support weight loss. Athletes can also benefit from a daily probiotic like the Body Ecology Bifidus Power Blend to strengthen the immune system and minimize the risk of infection.
With each workout or competition, it helps to remember the Body Ecology Principles of Uniqueness and Step-by-Step. Every person is unique and may respond to an intense workout differently, so listen to your body and take it one step at a time.
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