Researched Nutritionals Corebiotic Sensitive – 60 Capsules
$79.95
Probiotic supplement: Three spore-forming Bacillus strains, prebiotic-free.
Researched Nutritionals CoreBiotic Sensitive with 11 billion CFU per dose, no refrigeration required.
Protective spore coating gets these strains past stomach acid to reach your lower digestive tract.
Only 5 left in stock
Ships same business day from Melbourne (orders before 2pm)
What is CoreBiotic Sensitive and who is it for?
CoreBiotic Sensitive is a spore-based probiotic containing three genomically sequenced Bacillus strains at 11 billion CFU per dose. It’s the prebiotic-free version of Researched Nutritionals’ CoreBiotic formula, developed specifically for people who are avoiding fermentable fibres, following a low-FODMAP approach, or who find that standard probiotic formulas with added prebiotics don’t sit well with them.
Where most probiotics use live bacterial strains that require refrigeration and struggle to survive stomach acid, spore-forming strains carry a protective endospore that allows them to reach the intestinal environment intact. Each strain in this formula is identified by genomic sequencing, meaning you’re getting verified strain specificity and consistent potency every time, not just a genus and species label.
Fairfield Nutrition Thoughts
Spore-based probiotics sit in an interesting clinical space. They’re not a replacement for a broad dietary foundation, but they fill a genuine gap for people who can’t tolerate prebiotic fibres or who’ve found that standard multi-strain live probiotics cause more discomfort than benefit. The prebiotic-free format here makes it genuinely useful in low-FODMAP contexts and in situations where gut sensitivity is high, without requiring the person to compromise on probiotic potency.
The research base for spore-forming Bacillus strains is more established than many people realise, with double-blind, placebo-controlled trials confirming safety and efficacy across multiple published studies. The three strains chosen here each have distinct mechanisms, and the genomic sequencing of each strain adds a level of quality assurance that generic probiotic blends don’t offer. We stock this because it’s a well-constructed formula for a specific need, not a general-purpose probiotic dressed up as something more targeted.
Why This Formulation / How It Works
The key difference between CoreBiotic Sensitive and most probiotics on the market comes down to two things: spore formation and the absence of added prebiotics. Standard live-culture probiotics are fragile. They require refrigeration, and a significant proportion don’t survive the acidic environment of the stomach. Spore-forming Bacillus strains form a protective endospore that allows them to pass through the stomach largely intact, transitioning to their active form once they reach the intestinal environment. This also means no refrigeration is needed, which matters for consistency of use.
The prebiotic-free formulation is the other meaningful distinction. Many probiotic products include prebiotic fibres to feed the probiotic strains, but for people following low-FODMAP protocols or those with heightened gut sensitivity, those same fibres can cause bloating and discomfort. CoreBiotic Sensitive delivers the same 11 billion CFU as the standard CoreBiotic formula, without VitaFiber, making it usable in contexts where the standard formula isn’t appropriate. All three strains are genomically sequenced and registered, providing verified strain identity rather than the species-level identification that many products rely on.
Spore Survival and Intestinal Colonisation
Bacillus strains form endospores that remain dormant and highly stable in the acidic stomach environment. Once they reach the intestinal tract, they exit the spore state and function as active probiotic bacteria. Competitive exclusion, where beneficial bacteria occupy binding sites and resources that would otherwise be available to less desirable organisms, is one of the primary mechanisms by which these strains exert their effects in the gut.
Gut Barrier and Immune Cell Communication
Bacillus subtilis DE111 has been shown in research to communicate with intestinal epithelial cells and contribute to normal gut barrier function. The intestinal lining is where a significant proportion of immune cells reside, and maintaining the integrity of this barrier is a central focus of gut microbiome protocols. Bacillus coagulans strains produce L+ lactic acid in the intestinal environment, which contributes to the local conditions that support a healthy microbial community.
When to Consider This
This prebiotic-free spore probiotic provides digestive wellness support. It makes sense if you’re:
- Following a low-FODMAP dietary approach and need a probiotic that won’t introduce fermentable fibres.
- Someone who has tried standard probiotics with added prebiotics and found they cause bloating or digestive discomfort.
- Working with a practitioner on gut microbiome support and need a formula that can be used during a period of dietary restriction.
Supplement strategy: Many people introduce CoreBiotic Sensitive as an initial step in gut microbiome support, particularly when dietary sensitivity is high. Once tolerance and gut resilience are established, some people transition to CoreBiotic (with prebiotic) or add a separate prebiotic supplement. It’s commonly used as a standalone probiotic for several months, or as part of a broader gut wellness protocol directed by a practitioner.
⚠️ Not suitable for: Pregnant or nursing women without healthcare professional guidance.
How to Use
The manufacturer’s suggested dose is 2 capsules once daily, with or without food. Each 2-capsule serving delivers 11 billion CFU across the three Bacillus strains. Capsules can be taken at any time of day, and because the spore coating provides stability against stomach acid, timing relative to meals is flexible.
CoreBiotic Sensitive does not require refrigeration. Store at room temperature, away from direct heat and moisture. This makes it practical for travel or for people who find refrigerated probiotics inconvenient to maintain consistently.
Ingredients
Per 2 capsules:
CB Complex (11 Billion CFU):
Bacillus coagulans (BCP92)
Bacillus coagulans (MTCC 5856, Lactospore strain)
Bacillus subtilis (DE111®)
DE111® is a registered trademark of Deerland Probiotics & Enzymes, Inc.
Other ingredients: Hypromellose (capsule shell), water, low moisture rice dextrin, medium chain triglycerides (derived from coconut oil).
Allergen information: Contains tree nuts (coconut, via medium chain triglycerides). Manufactured without milk, eggs, fish, crustacean shellfish, peanuts, wheat, or soy. Produced in a facility that may process ingredients containing these allergens.
Vegan. GMO-free. Gluten-free. No refrigeration required.
Common Questions
How is this different from CoreBiotic (the standard version)?
The only difference is the absence of VitaFiber prebiotic. CoreBiotic Sensitive contains the same three Bacillus strains at the same 11 billion CFU dose. If you tolerate prebiotic fibres well, either formula is appropriate. If you’re on a low-FODMAP diet or find prebiotics cause digestive discomfort, CoreBiotic Sensitive is the better fit.
Why spore-based strains rather than standard live-culture probiotics?
Spore-forming Bacillus strains carry a protective endospore that allows them to survive the stomach environment and reach the intestinal tract intact. Most standard live-culture strains are sensitive to stomach acid and require refrigeration to remain viable. Spore-based strains don’t require refrigeration and have demonstrated stability through the gastrointestinal tract in published research.
Can I take this alongside other gut supplements?
Generally yes. CoreBiotic Sensitive is commonly used alongside other digestive wellness supplements. If you’re working with a practitioner on a specific gut protocol, check with them about sequencing and timing, particularly if you’re using antimicrobial herbs or other microbiome-targeted products.
The label says it contains coconut but I don’t see coconut listed as an ingredient. Why?
The medium chain triglycerides used as an excipient in the capsule are derived from coconut oil. This is why the label carries a tree nut (coconut) declaration, even though coconut doesn’t appear as a named active ingredient.
Warnings & Storage
Do not use if: Pregnant or nursing without first consulting your healthcare professional.
Cautions: If you have any pre-existing gastrointestinal conditions or are taking medications, consult your healthcare professional before use.
Storage: Store in a cool, dry place away from direct sunlight and heat. Refrigeration is not required.
Always consult your healthcare professional before use if you have any pre-existing conditions or are taking medications.
| Weight | 0.062 kg |
|---|---|
| Dimensions | 6 × 6 × 10 cm |
| GTIN | 8.93E+11 |
