Let's face it, the holiday season is stressful. Couple that with all the runny noses that surround you and it becomes clear – vitamin C is your ally. Aside from helping shorten the duration of a cold, fighting wrinkles, and helping absorb iron, vitamin C is a stress buster. Boosting your system with extra C before stressful events can help bring your blood pressure back to normal more quickly. Plus it can help even out your cortisol levels after a taxing situation. Cortisol is a brain chemical that is part of our response to stress, and while it is good to have around in the short term, you really don't want it lingering in your system. Hence the importance of Vitamin C since it helps brings cortisol levels back to normal.
Fit's Tips: Winter is citrus season, so it easy to get vitamin C from food sources. If citrus isn't your thing, check out this list of citrus alternatives.