Scientists from Nottingham Trent University have found that daily intake of prebiotics improves immune function in professional athletes. Research published European Journal of Sport Sciences.
In a clinical study, professional rugby players took the prebiotic galactooligosaccharide during the competition season. It is believed that prebiotics can stimulate the growth of beneficial bacteria in the gut. Gut bacteria have previously been shown to affect immunity and other aspects of human health.
Compared to those taking the placebo, those taking the prebiotics spent an average of 2.4 days less on sick leave due to SARS. Participants in the placebo group spent about 10 days on sick leave. The study lasted 24 weeks.
Those who took prebiotics also had lower severity of gastrointestinal symptoms. Scientists believe prebiotics can reduce the overall number of missed workouts and competitions that are important to elite athletes.
The mechanism of the action of prebiotics on the immune system is not fully understood. In addition, it is not known whether the results of scientists can be transferred to people who do not engage in professional sports.
“We may see new mechanisms at work. For example, we observed an increase in the rate of release of salivary IgA, an antibody responsible for fighting respiratory infections,” the scientists said.
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