Is there a potential application of a fermented nutraceutical in acute respiratory illnesses?

An in-vivo placebo-controlled, cross-over clinical study
in different age groups of healthy subjects.
Marotta F, Naito Y, Jain S, Lorenzetti A, Soresi V, Kumari A, Carrera Bastos
P, Tomella C, Yadav H.
J Biol Regul Homeost Agents. 2012 Apr-Jun;26(2):285-94.