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DefensePlus

‎4.9/5
29 reviews
Swanson Vitamins
USD 22.49
Updated: Oct 24, 2026

About this item

Get the healthy benefits of grapefruit seed extract while boosting the immune system! NutriBiotic DefensePlus Tablets contain Citricidal (grapefruit seed extract), a natural quaternary compound synthesized from the seed and pulp of certified organically grown grapefruit. This unique formulation combines Citricidal, vitamin C, astragalus, and the extracts of echinacea, reishi, maitake, shiitake, ginger root and yarrow and has been shown to be highly effective worldwide as nutritional support.

  • Features
    • 250 mg of Citricidal grapefruit seed extract
    • With Echinacea, Astragalus, Vitamin C, Mushroom Extracts, Oregon Grape Root & Ginger Root
    • Vegan, hypoallergenic, gluten free and GMO free

Specifications

Ingredient

Amount per serving / Daily value %

Vitamin C (as Meta-C® calcium ascorbate)

125 mg / 207%

Zinc (gluconate)

5 mg / 33%

Grapefruit Seed Extract

250 mg / *

Astragalus Root

100 mg / *

Reishi Mushroom extract (4:1)

100 mg / *

Echinacea Angustifolia Extract (4:1)

50 mg / *

Ginger Root Extract (6:1)

50 mg / *

Maitake Mushroom Extract (4:1)

50 mg / *

Oregon Grape Root

50 mg / *

Shiitake Mushroom Extract (4:1)

50 mg / *

Yarrow Extract (6:1)

50 mg / *

Other Ingredients

Microcrystalline cellulose (binder), dicalcium phosphate, stearic acid, dextrose, silica dioxide, magnesium stearate (vegetable lubricant), and natural food glaze coating.

Other Information

Made without soy, milk, egg, yeast, wheat, sweeteners, preservatives, and GMOs., GLUTEN FREE, Recyclable Packaging

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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