In a study published in Clinical Nutrition, HOWARU® Protect Sport was shown to delay time to respiratory tract illness and increase physical activity in physically active adults. measured the effect of daily consumption of the probiotic combination Bifidobacterium lactis (HOWARU® Bi-07®) and Lactobacillus acidophilus (HOWARU® NCFM®) on more than 300 healthy, physically active men and women over a 5-month period.

A significant delay in the onset of upper respiratory tract illness was observed among the subjects.

The most notable finding was a significantly higher level of physical activity compared to other subjects in the trial, who were taking HOWARU® Protect Sport.