Efficacy and Safety of Ecklonia cava Kjellman Extract Complex in Respiratory Health: A Randomized, Double‐Blind, Placebo‐Controlled, Multicenter Clinical Trial. - Woo, Seong‐Cheon; Lee, Su Won; Kim, Jayun; Jung, In Chul; Son, Ji Woong; Lee, Beom‐Joon; Kwon, Sang Oh; Byeon, Jung‐Hee; Park, Yang Chun (Food Science & Nutrition, 2026)