Guide

No, probiotics haven’t proven to cure toenail fungus; standard antifungal drugs remain the recommended treatment.

No, probiotics don’t kill toenail fungus; onychomycosis needs proven antifungal treatment.

No, probiotics have no proven effect on thyroid hormones, though small studies suggest antibody or symptom gains in some thyroid disorders.

Yes, probiotics may ease sinus symptoms in some cases, but evidence is limited and not a standard treatment for sinus infection.

No, current research in humans shows probiotics do not increase testicle size.

Yes, probiotics may aid yeast infection care when paired with antifungals, but they are not proven cures on their own.

Yes—some probiotic strains can raise histamine, while others help lower it; the effect depends on the specific strain.

Evidence is early; probiotics may aid symptoms in lupus for some people, but they aren’t a proven treatment and need doctor-guided use.

Probiotics may modestly ease mood—benefits vary by strain, dose, and whether you already have low mood or anxiety.

No, probiotics don’t damage healthy kidneys; in kidney disease evidence is mixed—use with clinician guidance.