Bell Bell - #52 Supreme Immune Booster, 90 caps
Bell #52 Supreme Immune Booster - Coriolus Versicolor Mushroom Extract is clinically shown to boost and fortify the body’s natural immune system, protecting and strengthening the body from many viral, bacterial and foreign invaders that are common in our everyday lives.

Price
Price Vault members pay below retail on this product. Member pricing is private and shown after a free opt-in, with no membership fee, no minimum order and no subscription.
Currently out of stock. Free shipping across Canada on orders over $89, flat $9.95 under that. 30 days to request a return, with return shipping paid by the customer. Ships from Victoria, BC.
See member pricing on Bell Bell - #52 Supreme Immune Booster
Why people keep reordering it
- Year-round defense
- Daily support for a resilient immune response.
- Antioxidant support
- Helps protect cells from everyday oxidative stress.
- Tradition meets research
- Time-tested ingredients in clinically informed doses.
Best suited to: wants a mushroom-based immune supplement to try seasonally, already uses other basics and wants an add-on for immune support.
What the research supports
This is a Coriolus versicolor (turkey tail) mushroom extract capsule aimed at supporting immune system activity. Coriolus versicolor is a polypore mushroom studied for its polysaccharide content, particularly PSK and PSP compounds that interact with immune cell function. Ninety capsules per bottle suggests a daily use pattern over roughly one to three months depending on serving size.
- immune cell activity support (evidence: mixed, from small human trials, in vitro studies, animal studies)
- Coriolus versicolor polysaccharides (PSK, PSP) have been studied for effects on natural killer cell and macrophage activity, with human trial results varying by population and dose.
Read the literature: immune cell activity support on PubMed.
Is it right for you
Worth it if
- wants a mushroom-based immune supplement to try seasonally
- Coriolus versicolor is one of the more studied medicinal mushrooms for immune cell activity, so this fits that specific interest.
- already uses other basics and wants an add-on for immune support
- as a single-ingredient mushroom extract it layers cleanly onto a vitamin D, zinc or vitamin C routine without duplicating those nutrients.
Look elsewhere if
- wants a fast-acting product for an active cold
- look for something with clearly dosed zinc lozenges or vitamin C, which have more direct evidence for shortening the duration of a cold once symptoms start.
- needs to know the exact daily dose of extract or polysaccharide content
- choose a mushroom extract product that lists standardized polysaccharide percentage and milligrams per capsule so you can compare it to research amounts.
What to expect
Mushroom polysaccharide extracts like this are typically framed as a longer-term immune support habit rather than something felt within days. Most people take it consistently for several weeks to months and would not notice an obvious sensation either way.
How it compares
- Compared with a plain vitamin C or zinc supplement
- Coriolus versicolor extract works through a different mechanism, its polysaccharides are thought to modulate immune cell signaling rather than acting as a nutrient cofactor. The tradeoff: vitamin C and zinc have more direct, better-dosed human evidence for shortening common colds, so you may be trading proven basics for a less certain mechanism.
Product details
- Active ingredient
- Bell - #52 Supreme Immune Booster
- Ingredient form
- caps
- Servings per container
- 90
- Country of manufacture
- Canada
- Certifications
- Non-GMO, Made in Canada
- Storage
- Store in a cool, dry place
- Brand
- Bell
How to take it
Take 1 to 2 capsules daily with food, or as directed by your healthcare practitioner.
- Store in a cool, dry place away from direct light.
- Keep out of reach of children.
- Consult a practitioner if you are pregnant, nursing or on medication.
Interactions and cautions
- Medications
- Some immune botanicals may interact with immunosuppressant medication. Review with your practitioner.
- Timing
- Separate from medications by 2 to 4 hours unless directed otherwise by a healthcare practitioner.
- Pregnancy and breastfeeding
- Consult a healthcare practitioner before use if pregnant or breastfeeding.
- General
- Use only as directed. Discontinue and consult a practitioner if you experience an adverse reaction.
This product is not intended to diagnose, treat, cure or prevent disease. Consult a healthcare practitioner before use. Free certified advisors are available at 1-888-386-1211, Mon to Fri, 9am to 5pm PT.
Questions about Bell - #52 Supreme Immune Booster
- Is this the genuine, authentic product?
- Yes. It is identical to what you would pay full price for anywhere else, sourced through our authorized supplier relationships.
- How is the price below retail?
- We buy direct, with nobody in the middle taking a cut, and we sell it for close to what we paid. You see the price privately because you have unlocked the Vault.
- How fast does it ship?
- Orders placed before 12pm PT are processed the same day and ship within two business days. Shipping is free over $89, and a flat $9.95 under that.
- Can I return it?
- You have 30 days after it arrives to request a return. Product must be unused, in its original packaging, with proof of purchase, and return shipping is paid by you. Find it cheaper anywhere in Canada and we will match the price.