Key Benefits

• With zinc and vitamin C to support your immune system every day.

• Each tablet delivers 250mg of grapefruit seed extract.

• Includes a blend of traditional herbs and mushroom extracts.

• Vegan, gluten-free, and made without GMOs.

Find your daily balance with NutriBiotic® DefensePlus®. This thoughtfully crafted formula brings together vitamin C and zinc—both contributing to the normal function of your immune system—alongside 250mg of grapefruit seed extract in every tablet.

Blended with astragalus, echinacea, ginger root, Oregon grape root, and extracts of reishi, maitake, and shiitake mushrooms, DefensePlus® is designed for those who want to support their wellbeing with a mix of time-honoured botanicals and essential nutrients.

Vegan, gluten-free, and made without GMOs, it’s a clean, reliable choice to complement your daily routine.

Nutribiotic has been a trusted name in wellness for over 40 years. Founded on the belief that good health should be accessible to everyone, this family-owned California brand creates high-quality nutritional supplements and personal care products made with carefully selected ingredients. Known for its commitment to clean and effective formulations, Nutribiotic continues to uphold the same family values of care, integrity, and quality that have defined it since the beginning.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step — Brand Discovery, Expert Validation, and Community Testing — here.

Grapefruit Seed Extract, Vitamin C (as Meta-C® Calcium Ascorbate), Astragalus Root, Reishi Mushroom Extract (4:1), Echinacea Angustifolia Extract (4:1), Ginger Root Extract (6:1), Maitake Mushroom Extract (4:1), Oregon Grape Root, Shiitake Mushroom Extract (4:1), Yarrow Extract (6:1), Zinc (Gluconate), Microcrystalline Cellulose (Binder), Anti-Caking Agent (Dicalcium Phosphate), Anti-Caking Agent (Stearic Acid), Dextrose, Silica Dioxide, Magnesium Stearate (Vegetable Lubricant), Natural Food Glaze Coating

Take one tablet daily with or without meals. Not recommended for children under 12 years of age.

WARNING: Keep out of reach of children. Do not exceed suggested use or use during pregnancy without consulting a licensed healthcare professional.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.