Zinc effective against respiratory infections?

I’ve previously written about the ability of vitamin C and vitamin D to protect against respiratory infections. Vitamin C has been found to shorten the duration of respiratory infections slightly, although it needs to be taken continuously throughout the year in order for there to be any benefit. Vitamin D has been found to shorten the frequency of respiratory infections, by a small … Read more

Vitamin C: effective against the common cold?

In 1970, two time Nobel prize winner Linus Pauling published a book called “Vitamin C and the common cold”. In it he argued that large supplemental doses of vitamin C could be used to decrease the length and severity of colds. This was the beginning of decades of controversy surrounding vitamin C (a.k.a. ascorbic acid) and its role in preventing respiratory infections, and resulted in … Read more