Probiotics are beneficial for immunity due to a number of reasons. Firstly, probiotics help to rebalance the gut in favour of ‘good’ bacteria so that harmful bacteria are outnumbered.
Secondly, certain types of gut bacteria are involved in functions related to the body’s immune system. Researchers from Harvard Medical School have found evidence that certain bacteria aid in T-cell production, and correcting mineral and nutrient deficiencies.
The below strains of bacteria have been shown to be beneficial in these particular instances: