Immunity

449 Products

Immunity Supplements

Your immune system handles a ridiculous amount of work without you noticing โ€” until it doesn't. A cold knocks you out for a week, or that bug going around the office finally catches up with you. That's usually when people start thinking about immune support.
Immune supplements provide the vitamins, minerals, and plant compounds your body's defense system relies on. Vitamin C, vitamin D, zinc, elderberry, echinacea, and medicinal mushrooms like reishi are some of the most common ones you'll see in this category.
What You'll Find Here

We carry everything from basic vitamin C capsules to multi-ingredient immune formulas. Some are designed for daily maintenance โ€” the kind of thing you take year-round. Others are meant for acute use, like when you feel a cold coming on and want to throw everything at it.


Who Are These For?

People who catch every bug that goes around. Frequent travellers, anyone heading into cold and flu season wanting a bit of extra insurance. Parents whose kids bring home germs from school or daycare.


A Few Things Worth Knowing

Vitamin D is worth testing for โ€” a lot of Canadians are low, especially in winter, and it matters more for immunity than most people realize. Zinc works best when you start it early in an illness. Daily habits matter too: sleep, stress management, and not skipping meals all affect how well your immune system performs.

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Natural Factors SunVitamin D3 Drops 2500 IU 15mL - Five Natural
Natural Factors SunVitamin D3 Drops 400 IU 15mL - Five Natural
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Natural Factors SunVitamin D3 Softgels 2500 IU 180 Softgels - Five Natural
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Natural Factors SunVitamin D3 Softgels 2500 IU 360 Softgels - Five Natural
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Natural Factors SunVitamin D3 Softgels 2500 IU 90 Softgels - Five Natural
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Natural Factors SunVitamin D3 Tablets 1000 IU 180 Tablets - Five Natural
Natural Factors SunVitamin D3 Tablets 1000 IU 90 Tablets - Five Natural
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Natural Factors SunVitamin Tablets 2500 IU 100 Tablets - Five Natural
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Natural Factors SunVitamin Tablets 2500 IU 250 Tablets - Five Natural
Natural Factors Vegan SunVitamin D3 1000 IU 180 Veg Capsules - Five Natural
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Natural Factors Vitamin C 1000 mg 180 Tablets - Five Natural
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Natural Factors Vitamin C 1000 mg 360 Tablets - Five Natural
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Natural Factors Vitamin C 1000 mg 90 Tablets - Five Natural
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Natural Factors Vitamin C 1000 mg Bonus Size (180+30) Tablets - Five Natural
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Natural Factors Vitamin C 500 mg Blueberry, Raspberry and Boysenberry 180 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500 mg Blueberry, Raspberry and Boysenberry 90 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500 mg Four Mixed Fruit 180 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500 mg Jungle Juice 180 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500 mg Jungle Juice 90 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500mg Plus Bioflavonoids & Rosehips 90 Tablets - Five Natural
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Natural Factors Vitamin C 500 mg - Tangy Orange 180 Chewable Wafers - Five Natural
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Natural Factors Vitamin C 500 mg - Tangy Orange 90 Chewable Wafers - Five Natural
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Natural Factors Vitamin C Calcium Ascorbate 1000 mg 125g - Five Natural
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Natural Factors Vitamin C Calcium Ascorbate 1000 mg 180 Capsules - Five Natural