clinically proven keeps the immune system strong no evidence that it helps with the common cold. no evidence that it helps with the common cold. das Immunsystem unterstützen membantu sistem imun प्रतिरक्षा प्रणाली को मदद aiutare il sistema immunitario ajuta sistemul imunitar no evidence that it helps with the common cold. помагат на имунната система immune system no evidence that it helps with the common cold. generally help die immuunstelsel WebMD 免疫システムを助ける giúp hệ miễn dịch no evidence that it helps with the common cold. aide le système immunitaire ช่วยระบบภูมิคุ้มกัน ayudar al sistema inmune ajudar o sistema imunológico დაეხმარება იმუნურ სისტემას