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This service is for informational purposes only and does not constitute medical advice. Always consult a healthcare professional before starting any supplement regimen.

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Immunity

Browse immunity supplements with community ratings and reviews.

Immunity
SleepFocus & CognitionEnergyGut HealthGeneral Health

Nature's Bounty Vitamin D3 5000 IU

by Nature's Bounty

softgel

Rapid-release softgel vitamin D3 for bone and immune system support

Nature's Bounty Zinc 50mg

by Nature's Bounty

caplet

High-potency zinc for immune defense and cellular health

Nature's Truth Vitamin D3 5000 IU

by Nature's Truth

softgel

High-potency vitamin D3 softgel delivering 5000 IU per serving for robust bone density, immune defense, and mood regulation support

Nature's Way Primadophilus Optima Probiotic

by Nature's Way

capsule

35 billion CFU multi-strain probiotic in daily-protect enteric-coated capsules for digestive and immune health.

Nature's Way Sambucus Elderberry Gummies

by Nature's Way

gummy

Black elderberry extract gummies with vitamin C and zinc for convenient immune system support.

Nature's Way Umcka ColdCare

by Nature's Way

tablet

Pelargonium sidoides root extract (EPs 7630) clinically studied to shorten cold duration and severity.

New Chapter Fermented Vitamin D3

by New Chapter

tablet

Fermented vitamin D3 combined with organic whole food herbs, providing enhanced bioavailability for bone, immune, and mood support

Nichirei Acerola Drink

by Nichirei

Liquid

Japan's iconic acerola vitamin C drink. Each 190ml bottle contains 300mg of vitamin C from natural acerola fruit. Light, refreshing taste. A staple vitamin C source for Japanese consumers since 1986.

Nissin Lactoferrin Nice Slim Essence

by Nissin Pharmaceutical

Tablet

Functional food lactoferrin supplement with enteric-coated tablets to deliver lactoferrin alive to the intestines. Contains 300mg lactoferrin per daily serving. Clinically shown to help reduce visceral fat.

NKS Mushroom MX 5 Blend

by Nihon Kenko Shokuhin

capsule

Five-mushroom immune blend with Reishi, Maitake, Shiitake, Agaricus and Chaga

Nordic Naturals Arctic Cod Liver Oil

by Nordic Naturals

softgel

Award-winning cod liver oil with omega-3, vitamin A, and vitamin D from wild Arctic cod

Nordic Naturals Vitamin D3 Gummies 1000 IU

by Nordic Naturals

gummy

Wild berry flavored vitamin D3 gummies for bone and immune health

NOW Foods NAC 600mg

by NOW Foods

Capsule

N-Acetyl Cysteine, a potent antioxidant precursor to glutathione. Supports respiratory health and liver detoxification.

NOW Foods Probiotics-10 25 Billion

by NOW Foods

capsule

10-strain probiotic blend with 25 billion CFU for comprehensive gut health

NOW Foods Quercetin with Bromelain

by NOW Foods

capsule

Quercetin flavonoid combined with bromelain for immune and seasonal support

NOW Foods Vitamin C 1000mg

by NOW Foods

Tablet

High-potency vitamin C with rose hips and bioflavonoids for enhanced absorption. Supports immune health and antioxidant protection.

NOW Foods Vitamin D3 5000 IU

by NOW Foods

softgel

High-potency vitamin D3 softgels for immune and bone health support

NOW Foods Zinc Picolinate 50mg

by NOW Foods

Capsule

Highly bioavailable zinc picolinate form. Supports immune function, skin health, and testosterone levels.

NOW NAC 600mg

by NOW Foods

capsule

N-Acetyl Cysteine 600mg to support glutathione production, liver health, and respiratory function

NOW Probiotic-10 25 Billion

by NOW Foods

capsule

10-strain probiotic blend with 25 billion CFU per capsule for digestive and immune health

NOW Vitamin C-1000 with Rose Hips

by NOW Foods

tablet

Vitamin C 1000mg tablets with rose hips for enhanced immune support and antioxidant activity

NOW Zinc Picolinate 50mg

by NOW Foods

capsule

Highly bioavailable zinc picolinate 50mg for immune function, skin health, and reproductive support

Nutrex Vitadapt Complete Sport Multivitamin

by Nutrex Research

capsule

Complete multivitamin designed for athletes with elevated doses of antioxidants, B vitamins, electrolytes, and adaptogens to support performance, recovery, and immunity

Nutricost Vitamin D3 5000 IU

by Nutricost

softgel

High-potency vitamin D3 softgels in olive oil base for optimal absorption, supporting bone density, immune function, and mood

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Showing 73–96 of 142 supplements