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 4.6 out of 5
215 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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Optimal Liposomal Glutathione
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Optimal Liposomal Glutathione

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Rated 4.7 out of 5
150 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
169 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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Optimal Liposomal Vitamin C Plus - 30 Servings

Optimal Liposomal Vitamin C Plus - 30 Servings

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Rated 4.9 out of 5
52 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 Glutathione Plus - 60 Capsules

Optimal Glutathione Plus - 60 Capsules

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Rated 4.9 out of 5
13 Reviews

Optimal Glutathione Plus capsules contain 100 mg of S-Acetyl-L-Glutathione per acid-resistant capsule, along with vitamins and minerals that are es...

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