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Arms’ characteristics.
| Group | Dietary Supplement Composition | Intervention |
|---|---|---|
| Group 1—probiotic (“Bactoblis”) |
Streptococcus salivarius K12 (≥1 × 109 CFU in 1 tablet), fructose (sweetener), maltodextrin, silicon dioxide, magnesium stearate (vegetable), flavoring (strawberry) | Dissolve the lozenges in the mouth once a day for 4 weeks |
| Group 2—placebo | Fructose (sweetener), maltodextrin, silicon dioxide, magnesium stearate (vegetable), flavoring (strawberry) |
CFU—Colony-forming unit.
