Quercetin may alleviate allergy symptoms
Yamada S, Shirai M, Inaba Y, Takara T. Effects of repeated oral intake of a quercetin-containing supplement on allergic reaction: a randomized, placebo-controlled, double-blind parallel-group study. Eur Rev Med Pharmacol Sci. 2022;26:4331. doi:10.26355/eurrev_202206_29072
Cinnamon's mixed effectiveness for allergies
Kaag S, Lorentz A. Effects of Dietary Components on Mast Cells: Possible Use as Nutraceuticals for Allergies?. Cells. 2023;12. doi:10.3390/cells12222602