Iron supplement lozenges reduce birch, grass pollen allergy symptoms

A lozenge that delivers iron directly to immune cells reduced the symptoms of birch and grass pollen allergies as effectively as immunotherapy, according to a study published in The Journal of Allergy and Clinical Immunology: In Practice.
“We discovered nearly 10 years ago that the majority of allergens can affect the iron status of allergic subjects and that iron deficiency alone not only is sufficient to facilitate allergic sensitization, but it is also associated with inflammation and an exaggerated immune response,” Franziska Roth-Walter, PhD, head of the working group at

A lozenge that delivers iron directly to immune cells reduced the symptoms of birch and grass pollen allergies as effectively as immunotherapy, according to a study published in The Journal of Allergy and Clinical Immunology: In Practice.
“We discovered nearly 10 years ago that the majority of allergens can affect the iron status of allergic subjects and that iron deficiency alone not only is sufficient to facilitate allergic sensitization, but it is also associated with inflammation and an exaggerated immune response,” Franziska Roth-Walter, PhD, head of the working group at