Human studies show that elderberry, zinc, and vitamin C, taken in the early stages of a cold or flu, can activate the body’s immune functions and shorten the duration. Colds and flu can make anyone miserable. They pose a particular risk to older adults, who have reduced immune responses.1,2 Human studies show that three nutrients, taken in the early stages of a cold or flu, can activate immune functions to change the course of the illness.3-6 These nutrients can reduce duration and severity, making people feel better faster and decreasing the danger to older adults. Protection Against Colds and Flu Over one billion colds occur in the U.S. each year,7 typically lasting about seven days.8 Up to 20% of Americans contract the flu each […]