Immune Support

Immune support starts with the basics of healthy living: eating whole foods, getting restorative sleep, stress management, maintaining a healthy mindset and reducing toxin exposure. In addition to the fundamentals, certain immune support supplements can be very helpful. Vitamin D, selenium, glutathione, zinc and vitamin A are all excellent immune support supplements. A healthy gut equals a healthy immune system because the majority of the immune system is located in the gut!  Probiotics can also help to support a healthy gut and immune response. Our most popular immune support supplements are Vitamin A Drops, Optimal Vitamin D3 Drops, Optimal Zinc Lozenges, Optimal Liposomal Vitamin C and ProBiota HistaminX.*
Optimal Liposomal Vitamin C - 30 Servings
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Optimal Liposomal Vitamin C - 30 Servings

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Rated 4.5 out of 5
177 Reviews

Optimal Liposomal Vitamin C by Seeking Health provides 1,000 mg of vitamin C (as sodium ascorbate and ascorbic acid) in a great-tasting liposomal l...

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Vitamin D3 + K2 - 60 Capsules
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Vitamin D3 + K2 - 60 Capsules

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Rated 5.0 out of 5
82 Reviews

Vitamin D3 + K2 by Seeking Health contains 125 mcg (5000 IU) of D3 (as cholecalciferol) and 100 mcg of K2 (as menaquinone-7) in an easy-to-swallow ...

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Optimal Liposomal Glutathione Plus - 30 Servings

Optimal Liposomal Glutathione Plus - 30 Servings

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Rated 4.7 out of 5
98 Reviews

Optimal Liposomal Glutathione Plus by Seeking Health provides 350 mg of reduced glutathione per serving, along with vitamins and minerals that are ...

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Vitamin A Drops - 600 Servings
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Vitamin A Drops - 600 Servings

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Rated 5.0 out of 5
64 Reviews

Vitamin A Drops by Seeking Health are a vegetarian liquid supplement providing 1,507 mcg RAE of vitamin A per single drop. This important nutrient ...

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Optimal Liposomal Glutathione
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Optimal Liposomal Glutathione

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Rated 4.8 out of 5
119 Reviews

Optimal Liposomal Glutathione by Seeking Health provides 500 mg of reduced glutathione per serving. Glutathione is an important antioxidant that is...

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Optimal Vitamin D Drops - 900 Servings

Optimal Vitamin D Drops - 900 Servings

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Rated 5.0 out of 5
153 Reviews

Optimal Vitamin D Liquid by Seeking Health provides a potent 50 mcg (2,000 IU) dose of vitamin D3 per drop, in pure olive oil base. Vitamin D is es...

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Vitamin D3 5000 - 100 Capsules

Vitamin D3 5000 - 100 Capsules

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Rated 4.8 out of 5
59 Reviews

Vitamin D3 5,000 by Seeking Health is a pure and potent vitamin D3 supplement in a vegetarian capsule that provides 125 mcg (5,000 IU) of cholecalc...

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Optimal Liposomal Vitamin C Plus - 30 Servings
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Optimal Liposomal Vitamin C Plus - 30 Servings

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Rated 5.0 out of 5
32 Reviews

Optimal Liposomal Vitamin C Plus by Seeking Health provides 1,000 mg of vitamin C (sourced from Scotland) along with bioflavonoids and rose hips ex...

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Optimal Zinc Lozenge - 60 Lozenges
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Optimal Zinc Lozenge - 60 Lozenges

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Rated 4.8 out of 5
55 Reviews

Optimal Zinc Lozenges by Seeking Health provide 15 mg of TRAACS® zinc bisglycinate chelate in an easy-to-deliver lozenge format. Zinc may help supp...

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Optimal Vitamin D3 + K2 Drops
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Optimal Vitamin D3 + K2 Drops

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Rated 4.9 out of 5
27 Reviews

Optimal Vitamin D3 + K2 Drops by Seeking Health provides 12.5 mcg (500 IU) of D3 (as cholecalciferol) and 50 mcg of K2 (as menaquinone-4) in each d...

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