Not only can it strengthen your immune system, but vitamin C can do a whole lot more, too
The immune-boosting powers of vitamin C border on being legendary. But if that’s the only health benefit that you associate with vitamin C well, you’re shortchanging the nutrient.
The “do-good” list attached to vitamin C is lengthy — particularly regarding children's health and development. And it may help you avoid taking a sick day.
Let’s start with vitamin C’s big claim to fame as a warrior against sickness. “As an immunologist, I love vitamin C because it’s very important for the proper functioning of your immune system,” says Dr. McDonnell.
Vitamin C is an antioxidant that works to reduce damage to cells caused by free radicals roaming around your body. That’s why vitamin C — also known as ascorbic acid — is touted as a way to limit cold and flu symptoms. (More on that in a bit.)
“It helps your immune cells get to the site of an infection and then helps those immune cells eliminate whatever’s infecting your body,” explains Dr. McDonnell.
But vitamin C also is important so your body can form:
There’s been a lot of debate regarding whether vitamin C can help prevent the common cold.
“Some research suggests that vitamin C does help decrease the severity of a cold, while other research contradicts that,” says Dr. McDonnell. “The truth probably falls somewhere in between.”
Bottom line? Sipping a glass of orange juice or eating a handful of berries won’t hurt if you start feeling a cold coming on. An illness-fighting vitamin C supplement might be worth trying, too.
It’s pretty clear vitamin C is important. The next question, of course, is how much do you need? The U.S. Department of Health and Human Services offers these daily recommendations, by age.
Your body can’t produce vitamin C on its own. But luckily, getting enough of the nutrient is as simple as eating a healthy diet featuring a variety of colorful fruits and vegetables, says Dr. McDonnell.
Vitamin C is commonly found in foods such as:
Vitamin supplements also can add some vitamin C to your system, says Dr. McDonnell. It’s always best to talk to a healthcare provider before beginning a dietary supplement.
Vitamin C is essential to your body functioning at its best. Odds are you get enough vitamin C through your diet. A supplement may help if you feel a cold coming on … but don’t expect any miracles.
“There’s not a huge benefit of taking more vitamin C than what’s recommended,” says Dr. McDonnell. “Your body just needs what it needs — nothing more and nothing less.”
Credit John McDonnell, MD "Can Vitamin C Help You Fight a Cold?, https://health.clevelandclinic.org/benefits-of-vitamin-c/
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