Airborne May Not Work

My sister swears by this stuff. She heard about it 2 years ago after she was sick when traveling. She does not leave home without it. Whether she is flying or traveling by car she has it with her. It was recommended to me at Thanksgiving when all I wanted to do was crawl into a hole and sleep. I tried it. It helped a little but, I do not carry it everywhere I go either. She even keeps some at my mom's house for my niece when she is visiting.