So, don't overlook zinc – it might just be the key to staying flu-free this season! 107923376 Quercetin Ever heard of quercetin? If not, it's time to get acquainted with this potent flavonoid ...

We’ve gone over the immune-boosting powers of vitamin C and zinc before, but did you know ... in the winter is connected to a rise in colds Quercetin, apegenin, and allicin are three ...