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Why Choose RVB 350?
RVB 350 combines a standardized beta-1,3/1,6-glucan complex with organic mushroom extracts to support your immune wellness naturally and effectively. Designed for Canadians seeking a clean, straightforward immune support formula, this blend provides research-supported ingredients without unnecessary fillers or complicated routines.
Beta-glucans from Saccharomyces cerevisiae have been widely studied for their role in helping maintain normal immune function. Paired with organic turkey tail, reishi, and poria mushroom extracts, RVB 350 offers broad-spectrum nutritional support you can confidently incorporate into your daily routine.
Vegan, gluten-free, non-GMO, and easy to take, RVB 350 fits seamlessly into your wellness lifestyle and supports your body’s natural immune balance every day.
Key Ingredients
Beta-1,3/1,6-D-Glucan Complex
Sourced from Saccharomyces cerevisiae
Known for its role in supporting healthy immune system function
One of the most studied forms of beta-glucan for immune support
Organic Turkey Tail Mushroom Extract
Naturally rich in polysaccharides
Provides antioxidant support that contributes to overall immune wellness
Organic Reishi Mushroom Extract
Traditionally used to support immune function and general vitality
Contains naturally occurring triterpenes and polysaccharides
Organic Poria Mushroom Extract
Historically used in traditional wellness practices
Supports general well-being with naturally occurring bioactive compounds
Additional Compounds
MOS (Manno-Oligosaccharides): Prebiotic compounds that help support gut-related immune function
Vegetarian Capsule: Hypromellose-based, easy to swallow, and suitable for vegan use
Ingredients
Beta-1,3/1,6 D Glucan Complex (from saccharomyces cerevisiae), MOS (Manno-Oligosaccharides from saccharomyces cerevisiae), Organic Turkey Tail Mushroom Extract (fruiting body), Organic Poria Mushroom Extract (fruiting body), Organic Reishi Mushroom Extract (fruiting body), Vegetarian capsule (Hypromellose and water) and silicon dioxide.
Suggested Use
How to Take RVB 350:
Adults: Take 1 capsule once or twice daily
Timing: Take with or without food
Storage: Store in a cool, dry place
Note: Follow the product label or consult your healthcare provider for personalized use
FAQ
What does RVB 350 do?
RVB 350 is a dietary supplement formulated to support daily immune wellness. It contains a blend of beta-glucans and mushroom extracts that promote a healthy immune response.
How do I take RVB 350?
Take RVB 350 according to the product label. Most people use it once or twice daily, and consistent daily use is recommended for best results.
Who is RVB 350 best suited for?
RVB 350 is best suited for individuals looking to support healthy immune function, especially those wanting daily nutritional support for overall wellness.
Resources
β-1,3/1,6-Glucans and Immunity: State of the Art and Future Directions. Molecular Nutrition and Food Research. 2021.
Exploring the Properties and Application Potential of β‐Glucan in Skin Care. Food Science & Nutrition. 2025.
A critical review on the impacts of β-glucans on gut microbiota and human health. The Microbe. 2025.
Immunomodulatory Effect and Biological Significance of β-Glucans. Pharmaceutics. 2023.
Mechanistic insights into β-glucans and gut microbiota interactions for enhancing human health. Discover Food. 2025.
β-glucans: a potential source for maintaining gut microbiota and the immune system. Nutrition and Metabolism. 2023.
Effects of beta-glucans on the immune system. Medicina. 2007.
Antioxidant Activity of Mushroom Extracts/Polysaccharides—Their Antiviral Properties and Plausible AntiCOVID-19 Properties. Antioxidants. 2021.
Bioactive Mushroom Polysaccharides: A Review on Monosaccharide Composition, Biosynthesis and Regulation. Molecules. 2017.
A multidimensional perspective on Poria cocos, an ancient fungal traditional Chinese medicine. Journal of Ethnopharmacology. 2025.
Disclaimer: If you are pregnant, nursing, taking medications, or have a medical condition, consult your doctor before use. Keep out of reach of children. This product is not intended to diagnose, treat, cure, or prevent any disease, and individual results may vary. These statements have not been evaluated by Health Canada.
