Biocidin Proflora™4R Spore-Based Probiotic & Herbal Formula – 30 caps
$108.80
Proflora™4R contains three clinically researched Bacillus spore-forming strains delivering 4 billion CFUs per capsule, plus marshmallow root, aloe vera, and quercetin. Formulated to provide nutritional support for microbial diversity, normal digestive function, and the body’s natural intestinal barrier through spore-based probiotics that survive stomach acid to colonize the lower GI tract.
Christmas & Holiday Dispatch
Same-day dispatch on all orders placed before 2pm (Mon–Fri).
We’re sending orders every day over Christmas, except Christmas Eve and public holidays.
Enjoy Free Express shipping on orders over $175 - we recommend Express during the festive period.
What is Proflora™4R Spore-Based Probiotic & Herbal Formula and who is it for?
Proflora™4R is a spore-forming probiotic formula containing three clinically researched Bacillus strains (4 billion CFUs per capsule) combined with soothing herbal support including marshmallow root, aloe vera, and quercetin. This formula is designed for individuals seeking to support digestive health, microbial diversity, and the body’s natural ability to maintain a balanced gut microbiome. The spore-forming approach means these bacteria survive stomach acid and bile, germinating in the small and large intestines where they provide targeted nutritional support for digestive function and nutrient absorption.
Proflora™4R is particularly valued by Functional Medicine practitioners working with clients who need microbiome restoration after antimicrobial protocols, those with compromised digestive function, or individuals seeking foundational support for gut barrier integrity and immune resilience.
Fairfield Nutrition Thoughts
In Functional Medicine, we think of the microbiome as your “second brain”—it regulates digestion, produces neurotransmitters, trains your immune system, and maintains the gut barrier. When this ecosystem is disrupted (by stress, antibiotics, poor diet, or antimicrobial protocols), you need bacteria that can actually establish themselves. The three Bacillus strains in Proflora™4R have been specifically selected for their ability to colonise and persist, not just pass through. Combined with the soothing botanicals, this formula addresses both the cause (microbial imbalance) and the consequence (gut lining irritation).
Why choose spore-forming probiotics over conventional strains?
Conventional probiotics (Lactobacillus, Bifidobacterium) are delicate. They’re sensitive to temperature, oxygen, and stomach acid. Most don’t survive the journey to your intestines—which is why conventional probiotics need refrigeration, require high CFU counts to achieve efficacy, and often disappoint in real-world use. You’re paying premium prices for bacteria that may never colonise your gut.
Spore-forming Bacillus strains are fundamentally different. Their spore structure is nature’s protective capsule—it survives stomach acid, bile, and temperature fluctuations without requiring refrigeration. Once they reach the small and large intestines, they germinate and establish themselves within hours. Research shows they can persist in the gut for weeks, actively competing with undesirable microbes and supporting the conditions for beneficial bacteria to thrive. Proflora™4R achieves evidence-based efficacy in a single daily capsule—no refrigeration required, no guesswork about survival rates.
The herbal additions (marshmallow root, aloe vera, quercetin) address a common challenge: many people experience temporary digestive discomfort when rebalancing their microbiome. These botanicals provide nutritional support for soothing the gut lining and maintaining normal inflammatory responses, making the transition smoother and more comfortable.
How does it work?
Think of Proflora™4R as a two-part restoration strategy: colonisation and soothing. The spore-forming bacteria establish themselves in your gut ecosystem, while the herbal blend supports the environment they need to thrive.
Spore-Forming Probiotic Action: The three Bacillus strains in Proflora™4R (LactoSpore® Bacillus coagulans, MuniSpore™ Bacillus clausii, and Bacillus subtilis DE111®) are dormant when ingested. They pass through stomach acid intact, germinate in the small intestine within hours, and colonise both the small and large intestines. Once established, they compete with undesirable microbes for nutrients and adhesion sites, support the production of short-chain fatty acids (particularly butyrate), and maintain microbial diversity. Unlike transient probiotics, spore-formers can persist and reproduce in your gut environment.
Microbial Diversity and Barrier Support: A healthy microbiome isn’t just about having “good” bacteria—it’s about diversity. The three distinct Bacillus strains in Proflora™4R provide complementary functions. Together, they support the conditions that allow your own beneficial bacteria (Faecalibacterium prausnitzii, Akkermansia muciniphila, and others) to flourish. This is called “competitive exclusion”—when beneficial bacteria occupy ecological niches, pathogenic organisms have nowhere to establish themselves.
Gut Barrier and Inflammatory Support: The herbal blend works synergistically with the probiotics. Marshmallow root contains mucilage that provides nutritional support for soothing irritated gut lining. Aloe vera supports normal inflammatory responses and barrier integrity. Quercetin, a plant-derived bioflavonoid, supports the body’s natural ability to maintain healthy inflammatory pathways. Together, these botanicals create an environment where the gut barrier can heal and strengthen while the microbiome rebalances.
Nutrient Absorption Enhancement: A healthy microbiome produces enzymes and metabolites that enhance nutrient bioavailability. By supporting microbial diversity and barrier function, Proflora™4R indirectly supports your body’s ability to absorb vitamins, minerals, and other nutrients from food. This is why microbiome restoration often precedes targeted nutrient supplementation in Functional Medicine protocols.
What can this support?
Proflora™4R provides nutritional support for:
Post-Antimicrobial Microbiome Restoration: After Biocidin protocols, antibiotics, or antimicrobial herbal formulas, the microbiome needs active recolonisation. Proflora™4R is specifically designed for this phase—the spore-formers establish themselves while the herbal blend soothes the gut lining. Many practitioners recommend Proflora™4R as the final phase of comprehensive microbiome protocols.
Digestive Function and Regularity: A balanced microbiome supports normal peristalsis, bile acid metabolism, and bowel regularity. The herbal blend in Proflora™4R provides additional support for normal digestive transit and comfortable elimination. This is particularly valuable for individuals with sluggish digestion or inconsistent bowel habits.
Nutrient Absorption: The microbiome produces short-chain fatty acids (especially butyrate) that nourish the intestinal lining and support nutrient absorption. By promoting microbial diversity, Proflora™4R indirectly supports your body’s capacity to extract and utilise nutrients from food, reducing the need for high-dose supplementation.
Gut Barrier Integrity: Leaky gut (intestinal hyperpermeability) is often the consequence of microbial imbalance. The combination of spore-forming probiotics and soothing botanicals addresses both causes: rebalancing the microbiome and supporting the physical barrier. This is foundational for addressing systemic immune challenges.
Immune Function and Inflammatory Balance: Approximately 70% of immune tissue resides in the gut-associated lymphoid tissue (GALT). A healthy microbiome trains immune cells to distinguish between beneficial and harmful organisms, supporting appropriate immune responses. Proflora™4R’s combination of probiotics and quercetin provides nutritional support for immune resilience and normal inflammatory responses.
Individuals Using or Transitioning from Antimicrobial Protocols: Proflora™4R is specifically formulated to be used concurrently with Biocidin formulas or taken immediately after antimicrobial courses. The spore-formers can establish themselves even in the presence of antimicrobials, making this formula ideal for comprehensive microbiome protocols.
Sensitive or Compromised Digestive Systems: The soothing herbal blend makes Proflora™4R gentler than many probiotics. Individuals with IBS, inflammatory bowel conditions, or post-antibiotic dysbiosis often tolerate spore-formers better than conventional probiotics, and the marshmallow, aloe, and quercetin provide additional comfort.
Common questions
How do spore-forming probiotics differ from the Lactobacillus and Bifidobacterium in other supplements?
Conventional probiotics are fragile and don’t survive stomach acid—most are dead before reaching your intestines. Spore-formers are dormant bacteria with a protective shell that survives the harsh stomach environment, germinates in the intestines, and can establish themselves long-term. This is why spore-formers require lower CFU counts (4 billion vs. 50+ billion), don’t need refrigeration, and show better real-world efficacy in research.
Can I take Proflora™4R with Biocidin or other antimicrobials?
Yes—in fact, this is recommended. Proflora™4R is specifically designed to be taken concurrently with Biocidin formulas or immediately after antimicrobial protocols. The spore-forming bacteria can establish themselves even in the presence of antimicrobials, and once you discontinue the antimicrobial, they’re already colonised and ready to support rebalancing. This concurrent approach is more effective than waiting to introduce probiotics after antimicrobials are finished.
Why doesn’t Proflora™4R need refrigeration?
Spore-forming bacteria are naturally temperature-stable. Their spore structure protects them from heat, cold, and humidity fluctuations. This means Proflora™4R maintains potency at room temperature, making it more convenient and practical for real-world use than refrigerated probiotics that lose viability if left unrefrigerated.
How long does it take to feel results?
This varies individually. Some people notice improved digestion and regularity within 1-2 weeks. Others require 4-8 weeks for noticeable changes. Microbiome rebalancing is gradual—you’re establishing new bacterial populations that compete with existing undesirable microbes. Consistency matters more than speed. Most practitioners recommend 8-12 weeks of consistent use before evaluating efficacy.
Can I take Proflora™4R if I’m sensitive to probiotics?
Spore-forming probiotics are generally well-tolerated, even by sensitive individuals. The herbal blend (marshmallow, aloe, quercetin) provides soothing support, which can reduce temporary digestive changes some people experience when rebalancing their microbiome. If you’re extremely sensitive, start with one capsule every other day for the first week, then increase to daily use.
Is Proflora™4R suitable for children?
Yes. The formula is designed to be child-friendly and can support microbial diversity in children. Dosing should be discussed with a healthcare provider—some practitioners recommend half-capsule doses for children under 12, while others use the full capsule. The gentle herbal blend makes this an appropriate choice for paediatric microbiome support.
Should I take Proflora™4R with food or on an empty stomach?
The manufacturer recommends taking one capsule daily with meals. Food provides a buffer that protects the spores as they pass through the stomach, and it supports optimal absorption of the herbal components. Consistency in timing is more important than the exact time of day.
Key Features
- Three clinically researched Bacillus spore-forming strains (4 billion CFUs per capsule)
- Survives stomach acid and bile acids to germinate in the small and large intestines within 4 hours
- Temperature-stable formula – no refrigeration required
- Can be taken concurrently with antimicrobials and antibiotics
- Supports microbial diversity, gut barrier integrity, and nutrient absorption
- Free from dairy, gluten, soy, corn, and artificial additives
- Vegetable cellulose capsule for convenient daily use
- SIBO-safe formula—appropriate for individuals with small intestinal bacterial overgrowth concerns
Suggested Use
Take one capsule per day with meals, or as directed by your healthcare practitioner. For microbiome restoration protocols, Proflora™4R is typically used for 8-12 weeks. Many practitioners recommend concurrent use with Biocidin formulas during the antimicrobial phase, then continuing Proflora™4R for 4-8 weeks after completing antimicrobial support. Some practitioners cycle use: 12 weeks on, 4 weeks off, then repeat, depending on individual needs and protocol design.
Ingredients (per capsule)
- Proprietary Probiotic Blend (4 Billion Spore Cells):
- LactoSpore® (Bacillus coagulans MTCC 5856)
- MuniSpore™ (Bacillus clausii CSI08)
- Bacillus subtilis DE111®
- Proprietary Herbal Blend:
- Quercetin
- Marshmallow root (organic)
- Aloe vera leaf gel (organic)
- Other Ingredients: Microcrystalline cellulose, vegetable capsule
Free from dairy, gluten, soy, corn, animal products, artificial colouring, and artificial flavouring. Contains 30 vegetable capsules per bottle.
These statements have not been evaluated by the TGA. This product is not intended to diagnose, treat, cure, or prevent any disease.
| Weight | 0.04 kg |
|---|---|
| Dimensions | 3 × 5.5 × 16 cm |
| Shipping and Returns | Standard delivery times of 1-7 business days are to be expected. Free express delivery for orders over $175. No questions asked returns and refund within 30 days. |
| GTIN | 9.00E+11 |
Brand
Biocidin
Biocidin Supplements Australia
Biocidin Botanicals is a US-based company specialising in broad-spectrum botanical formulas, primarily used in gut health, mucosal support, and systemic wellness contexts. Their core formula - a proprietary blend of botanical extracts and essential oils - is available in multiple delivery formats, including a standard liquid and capsules, and a liposomal version designed to be absorbed through the gut wall into systemic circulation.
The range is built around a protocol logic: each product has a defined functional role, from the core botanical formula to binders, spore-based probiotics, and adaptogenic tonics. This suits practitioners and health-motivated individuals working through a structured gut health approach, rather than those seeking a single general-purpose supplement.
| Product Range | Primary Application |
|---|---|
| Biocidin (liquid and capsules) | Broad-spectrum botanical support within the gut |
| Biocidin LSF | Liposomal broad-spectrum formula for absorption beyond the gut |
| GI Detox+ | Gut binding and clearance support |
| Proflora 4R | Spore-based probiotic for microbial restoration |
| Olivirex | High-potency olive leaf immune and antioxidant support |
| Biotonic | Daily adaptogenic botanical tonic |
| Biocidin TS | Throat and mucosal surface botanical spray |
Understanding the difference between the standard formula and the liposomal LSF is the most important distinction in this range - it determines which format is appropriate for a given application.
Why Biocidin's approach is different
The liposomal LSF differs from the standard Biocidin liquid and capsules in how the botanicals are delivered. Standard Biocidin acts directly within the gut lumen - the space inside the digestive tract. The LSF uses liposomal encapsulation, where botanical compounds are wrapped in a fat-based layer that allows them to pass through the gut wall into the bloodstream, reaching tissues beyond the digestive tract. This is a meaningful formulation difference with practical implications for how and when each version is used - not a marketing distinction.
GI Detox+ uses zeolite clay, activated charcoal, and herbal extracts as binding agents - these bind and carry material through the gut rather than being absorbed themselves. Proflora 4R uses Bacillus spore-forming strains, which survive stomach acid intact and activate further down the digestive tract. These behave differently from standard Lactobacillus or Bifidobacterium probiotics, which are more fragile and often don't reach the lower gut in active form - a practically relevant distinction when the lower gut is the primary focus.
The Biocidin range at Fairfield Nutrition
Core broad-spectrum botanical formula
The foundation of the range - the same proprietary botanical blend available in three delivery formats depending on the intended application.
Biocidin Broad-Spectrum Formula - a proprietary blend of botanical extracts and essential oils formulated for broad-spectrum activity within the gut; available as a 30 ml liquid or in 90 capsules.
Biocidin LSF - the same core botanical blend in a liposomal delivery system, for absorption beyond the gut lumen into systemic circulation.
Gut restoration and clearance support
Products used in a supporting role alongside the core formula, addressing binding and microbial balance restoration.
GI Detox+ - a binding formula combining zeolite, activated charcoal, and herbal extracts; designed to bind and carry material through the digestive tract.
Proflora 4R - three clinically researched Bacillus spore-forming probiotic strains delivering 4 billion CFU, combined with herbal extracts for microbial restoration.
Complementary botanical support
Additional formulas addressing immune resilience, mucosal surfaces, and daily tonic use - each suited for standalone use or alongside the core protocol.
Olivirex - standardised olive leaf extract at 18% oleuropein, providing concentrated immune and antioxidant support.
Biotonic - an adaptogenic elixir containing 18 botanical extracts and essential oils including bilberry and goldenseal, suited for daily tonic support.
Biocidin TS Throat Spray - a proprietary blend of 17 botanicals in spray form for direct application to the throat and mucosal surfaces.
The main decision point within this range is standard formula versus LSF - the standard liquid or capsules are appropriate when the focus is the gut itself, while the LSF is used when systemic reach is a consideration. GI Detox+ and Proflora 4R are typically used in a supporting role alongside the core formula rather than independently. Olivirex, Biotonic, and the Throat Spray stand alone and don't require the rest of the protocol.
Why shop Biocidin at Fairfield Nutrition
We don't stock everything - we stock what we'd use. Biocidin products are stocked at Fairfield because the range is built around genuine formulation specificity: each product has a defined functional role, and the core formula carries a meaningful body of practitioner-facing research behind it - not just positioning language.
The liposomal LSF is one of the more technically substantive liposomal botanical formulas available in Australia. The distinction between it and the standard formula is real and clinically relevant, which is why we carry both rather than defaulting to one format. Similarly, Proflora 4R's use of spore-forming Bacillus strains reflects a specific formulation rationale - not a trend - and that kind of reasoning is what we look for when deciding what earns shelf space.
Everything ships from Melbourne. No international delays, no customs surprises. If something's out of stock, we tell you.
All Biocidin products stocked at Fairfield Nutrition are shown below.
