β-Glucan supplementation, allergy symptoms, and quality of life in self-described ragweed allergy sufferers
This 2013 randomized, double-blind, placebo-controlled study assessed the effects of daily supplementation with 250 mg of Wellmune WGP® β-1,3/1,6-glucan over four weeks in 48 adults with self-described moderate ragweed allergies. Compared to placebo, β-glucan supplementation significantly reduced total allergy symptoms by 28%, symptom severity by 52%, and Visual Analog Scale