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The 7 Best Immune-Boosting Supplements, According to a Dietitian Support your immune system with these evidence-backed herbs and vitamins



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"Research suggests that Vitamin C supports the immune system by reducing the severity and duration of colds."
"Zinc is shown to support immune cells, and similar to vitamin C, it may also reduce the severity and duration of the common cold."
"Research shows that supplementation with vitamin D3 may be protective against the flu."
"Research shows that elderberry is protective against the flu."
"Taking echinacea while you're feeling well is thought to reduce the chances of catching a cold."
"Has been shown to modulate the activation of immune cells, regulate the body's inflammatory reaction to disease and infection."
"Probiotics are generally associated with gut health, however, the beneficial bacteria play a huge role in immune function."
A healthy diet, adequate sleep, exe krcise, hand hygiene, and stress management are all great ways to support the immune system throughout the year, and especially during cold and flu season. While there are no cure-all supplements or foods—some research studies support the use of specific herbs and vitamins to boost immunity. You may already have some of these—like probiotics, vitamin D, and vitamin C—in your medicine cabinet.
6, the best immune-boosting supplements.

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