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

Our Top Picks

Best Vitamin C: Doctor's Best Vitamin C at vitaminshoppe.com

"Research suggests that Vitamin C supports the immune system by reducing the severity and duration of colds."

Best Zinc: Thorne Research Zinc Picolinate 15mg at Walmart

"Zinc is shown to support immune cells, and similar to vitamin C, it may also reduce the severity and duration of the common cold."

Best Vitamin D: Nordic Naturals Vitamin D3 1000 IU at Amazon

"Research shows that supplementation with vitamin D3 may be protective against the flu."

Best Elderberry: Gaia Herbs Black Elderberry Syrup at Amazon

"Research shows that elderberry is protective against the flu."

Best Echinacea: Gaia Herbs Echinacea Supreme at vitaminshoppe.com

"Taking echinacea while you're feeling well is thought to reduce the chances of catching a cold."

Best Turmeric: mykind Organics Extra Strength Turmeric at Amazonni

"Has been shown to modulate the activation of immune cells, regulate the body's inflammatory reaction to disease and infection."

Best Probiotic: Renew Life Ultimate Flora Probiotic at Amazon

"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.

Niacinamide + Vitamin C: The Dynamic Duo for Brighter, More Even-Looking Skin

If you’re dealing with dark spots, post-acne marks, or an uneven complexion, you’re definitely not alone. Hyperpigmentation is especially common in deeper skin tones, and finding skincare that helps improve discoloration without irritating your skin is important. The good news? You don’t necessarily need a complicated 10-step routine. Two ingredients worth knowing about are niacinamide and vitamin C. These skincare favorites can work beautifully together to help your complexion look brighter, more even, and healthier. ✨ Meet Niacinamide Niacinamide is a form of vitamin B3 and is one of those versatile skincare ingredients that can do several things at once. When it comes to uneven skin tone, niacinamide can help reduce the transfer of melanin to surrounding skin cells, which can help improve the appearance of dark spots over time. But that’s not all. Niacinamide also supports the skin barrier, helps maintain moisture, and can calm the look of redness and irritation. For many people, a...

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