Does Narine heal sinuses?

No, Narine does not cure sinuses because it is not a medicine. It is a dietary supplement, so it supplements the daily diet with missing ingredients - in this case, beneficial intestinal bacteria that improve the functioning of the digestive tract. We wrote about the impact of probiotics on health here: https://www.gdziepolek.pl/app/artykuly/probiotyki-czy-warto-stosowac-leki-oslonowe Dietary supplements by definition can not heal, because they do not undergo research, which distinguishes them from medicinal preparations: https://www.gdziepolek.pl/tematy/czym-roznia-sie-leki-od-suplementow The effect of dietary supplements on the body results from a long period of their intake, which should usually not be shorter than 3 months.