Health supplements for allergic rhinitis: A mixed-methods systematic review

Allergic rhinitis is a chronic inflammatory condition caused by an exaggerated response of the immune system to common allergens. Most pharmacological therapies tend to be palliative and in some cases are associated with adverse effects. There is a growing tendency for people to self-medicate with health supplements as they are generally considered safe, however clinical studies relating to their efficacy and safety are limited. This...