Carrots, seaweed, liver and egg yolks are also recommended. Vitamins A, C, and E are essential, helping to maintain the mucous membrane of the esophagus and reducing throat irritation.
多補充維他命 A、C、E﹘﹘維他命 A 對保持食道、呼吸道…… 黏膜的健全有助益，可減少外來的刺激。它多存於胡蘿蔔、海藻、肝臟、蛋黃…… 之中。