| HS Code | 773858 |
| Product Name | Bifidobacterium Lactobacillus B420 400B |
| Strain | Lactobacillus rhamnosus B420 |
| Bifidobacterium Content | 400 billion CFU per serving |
| Probiotic Type | Probiotic supplement |
| Form | Capsule |
| Intended Use | Digestive and gut health support |
| Shelf Stability | Shelf-stable, no refrigeration required |
| Manufacturer | Varies by distributor |
| Country Of Origin | Typically manufactured in the USA or EU |
| Allergen Free | Free from common allergens (gluten, dairy, soy) |
| Serving Size | Varies, often 1 capsule per day |
| Clinical Studies | Strain B420 backed by human clinical research |
| Storage Instructions | Store in a cool, dry place |
| Expiration Period | Generally 12-24 months from manufacture date |
| Suitable For | Vegetarians and vegans |
| Primary Benefit | Helps maintain healthy weight and balances gut flora |
As an accredited Bifidobacterium Lactobacillus B420 400B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A white, foil-sealed sachet labeled "Bifidobacterium Lactobacillus B420 400B," containing 5 grams of probiotic powder. |
| Shipping | Bifidobacterium Lactobacillus B420 400B is shipped in insulated, temperature-controlled packaging to maintain product stability and potency. It is typically transported with cold packs or dry ice, ensuring the probiotic remains within recommended storage conditions throughout transit. Expedited delivery is used to minimize transit time and preserve product quality. |
| Storage | **Bifidobacterium Lactobacillus B420 400B** should be stored in a cool, dry place, ideally refrigerated at 2–8°C (36–46°F) to maintain potency. Protect from moisture, heat, and direct sunlight. Keep container tightly closed when not in use. Avoid repeated freeze-thaw cycles. For long-term storage, keep in original, sealed packaging and use by the expiration date for optimal viability. |
Competitive Bifidobacterium Lactobacillus B420 400B prices that fit your budget—flexible terms and customized quotes for every order.
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Working in fermentation for over two decades, I’ve blended, freeze-dried, and carefully packaged enough probiotics to see that the real foundation of this field is trust. Many consumers look for probiotic counts on labels, but what rarely gets discussed is the technology and rigorous care it takes to protect those bacteria on their journey from fermenter to capsule to gut. Bifidobacterium Lactobacillus B420 400B represents the outcome of years spent fine-tuning every phase from raw material sourcing to downstream processing and final QA. Every batch teaches us something. Each time we see the real-world impact—especially when feedback returns from finished formulations—we double down on our commitment to transparency and stability.
This strain, Bifidobacterium animalis subsp. lactis B420 400B, has a metabolic profile matched closely with digestive resilience and metabolic support. Our team started years back by selecting parent cultures with stable autolysis and homogeneity traits. Through careful cultivation, this particular model has emerged as a favorite among dietary supplement makers, especially for blends targeting metabolic health and digestive balance.
Our process starts on the fermentation floor. The actual cell propagation takes place under strict anaerobic conditions, giving the bacteria the environment they crave. We use proprietary media recipes that supply bioavailable nutrients without the risk of introducing animal-sourced allergens. After reaching an optimal growth phase—something recorded by monitoring carbohydrates, amino acid uptake, and acid production—we chill the culture rapidly to suspend metabolic activity and start harvesting.
Centrifuges separate out high-density bacterial pellets. We then initiate freeze-drying under deep vacuum, which has proven superior to spray-drying for this species. It’s a hard-earned fact that precise pressure and temperature management during lyophilization matters more than most realize. Even minute deviations can mean diminished cell survival on storage, which means less viability when customers finally open a packaged capsule. Our experience shows that process discipline—such as sequencing the lyoprotectant additions and stressing minimal hold times—yields resilient bacteria that can actually withstand the harsh realities of packaging, distribution, and ingestion.
What emerges from this process is a pale powder, Bifidobacterium Lactobacillus B420 400B, testing at 400 billion CFU per gram at the time of packing. We use no synthetic stabilizers. Only cryoprotectants derived from simple, well-documented food-grade carbohydrates and proteins. That’s become a selling point to finished product formulators who want clean labels without sacrificing shelf-life or organism performance.
This model has become a go-to for supplement contract manufacturers targeting adult digestive and metabolic support blends. Some partners focus on weight management. Others build SKUs around carbohydrate metabolism, glycemic response, or probiotic products meant to withstand harsh stomach conditions. We’ve watched our client base grow year-over-year as both ingredient buyers and finished-good formulators have looked for more reliable cell counts and cleaner ingredient decks.
In shelf-stable formulations, B420 400B holds its own compared to older lyophilized cultures. Side-by-side stress tests—real-world and accelerated—demonstrate that careful cold-chain maintenance during transit isn’t strictly necessary for short-term storage. Our own stability studies, done under ambient and elevated temperature cycles, show that viable counts remain well above guarantee levels for standard supplement shelf life windows. This lets product developers extend distribution to channels previously off-limits to more fickle strains.
Some supplement producers blend B420 400B with prebiotics to improve survivability and stimulate targeted fermentative activity in the gut. We’ve supported several R&D projects that showcase increased SCFA (short-chain fatty acid) profiles in simulated colon models compared to mixes made with legacy strains. Our internal research has coupled well with external published literature—giving buyers not just theoretical support but also data generated using their own final formulations.
We’ve spent years working with multiple Bifidobacterium and Lactobacillus strains, each with its own quirks. Some strains have higher initial CFU, but quickly degrade in blends. Others thrive during fermentation but lose viability to oxygen or moisture in capsules. We selected B420 400B because batch after batch, it’s proven resistance to temperature cycling, humidity swings, and pressure. Out of dozens of candidate strains, this one keeps coming out on top for real-world resilience.
Compare B420 400B to a basic freeze-dried L. acidophilus or a generic B. longum and the difference is night and day for industrial handling. Standard strains often clump, pick up moisture, or cake in mixing hoppers. B420 400B’s physical structure stays loose and flowable, which benefits any operation running large-scale blenders or high-speed filling lines. Less downtime and fewer process headaches means savings passed down to both the contract supplement manufacturer and the end customer.
Our strain selection program also pays close attention to acid and bile tolerance. In challenge models simulating stomach pH, B420 400B retains more viability through gastric transit compared to older shelf strains. This comes not just from the strain’s genetics but also from the precision of our freeze-drying—each batch gets validated for post-exposure recovery to mimic actual human digestion.
Talk to staff on our QA lines and you’ll hear stories of batches discarded over a single out-of-spec reading. Maintaining purity and consistency standards is not negotiable. This is more than regulatory compliance—it’s our own drive to prevent cross-contamination, off-odors, or any load of spoilage organisms. We monitor viable count, contamination risks, and absence of unhealthy byproducts by running parallel plates for aerobic and anaerobic bacteria, yeasts, and molds. Each finished lot receives a full certificate of analysis and our internal release panel reviews QC sheets before anything ships out.
We also collaborate with certifying bodies and supplement partners to provide documentation for vegetarian, non-GMO, gluten-free, and allergen-free compliance. Laboratories inside our facility run PCR and plate-based assays—not just for basic enumeration, but to confirm identification and rule out marker genes related to potential virulence or resistance. After years of feedback from supplement brands, we know transparency and trust are now a non-negotiable part of this space.
Some years back, a batch returned from a partner flagged for low recovery after tableting. This led our R&D team to investigate microencapsulation and formula adjustments at the pre-drying stage. The process resulted in better protection tailored for direct compression and chewable finished forms. Since that project, incident rates have dropped, and reports of soft powder or reduced count have become rare. These lessons become part of our process documentation and training, making every run stronger than the last.
B420 400B’s genome and clinical impacts have been studied in a wide range of metabolic and digestive models. Both in vitro simulations and human volunteer studies back up the utility of this strain for metabolic wellness, weight management, and supporting the balance of beneficial gut organisms. Finished supplement brands have leveraged both our stability data and this clinical work to gain acceptance in retail and practitioner channels.
This is not just a result of the organism’s inherent traits, but of real-world manufacturing diligence. Our responsibility does not end with growing and drying. We ensure every consignment matches published literature in strain purity, origin, and metabolic capability. Anything less erodes credibility between supplier, brand, and consumer.
Because we produce at scale, we provide full traceability from master seed bank to every individual batch. Clients have requested both public and proprietary documentation, and we comply with full audit transparency, allowing their QC teams to verify our process controls from fermentation logs to outgoing CFU data.
Formulators who’ve moved to B420 400B typically report fewer process surprises. The powder’s consistent flow and low moisture content let firms produce high-potency blends without excess anti-caking additives or microcrystalline carriers. Whether granulating, blending, or running capsules or stick packs, manufacturers tell us they get predictable yields and less machine downtime.
B420 400B has become popular for brands looking for more than just a generic probiotic. Supplement makers running diet, metabolism, and digestive support SKUs see B420 400B retain viability and deliver the desired colony counts over the full shelf life, even through varied storage temperatures. The structure of the powder lessens degradation risk, keeping the microbiological profile consistent from bottling to consumption.
We also hear from brands seeking clean-label ingredients and aiming to reduce formulation complexity. By removing unnecessary excipients and relying on food-grade protectants, our production supports simple ingredient lists—no synthetic, mystery stabilizers or complex coatings. Finished goods often tout these points in their product stories, citing clean labels and proven count stability.
Controlling the risk in biological powder supply chains takes real practice. Delays or mishandling during storage, mixing, or transportation erode finished count and capsule performance. From our side, we’ve invested in advanced packaging solutions—multi-layer laminates and desiccant systems—proven to hold viability through long-haul shipping and warehouse waits.
Many probiotic ingredient providers still outsource fermentation or freeze-drying to third parties. We keep all steps in-house. By managing the entire chain, we prevent slip-ups such as improperly chlorinated water, uncalibrated pH, or temperature excursions that compromise batch quality. Finished lots are held back if risk thresholds aren’t met, and every packaging run gets monitored for airborne and surface contamination.
This attention to detail may go unnoticed in the supplement aisle, but it shows up in product reviews and return rates. Brands want to avoid recalls or underperforming batches. Our manufacturing discipline acts as their insurance policy, allowing them to focus on consumer education and marketing.
No process runs perfectly every time. Batch variability is the reality of every biological process. Any lot displaying variable counts or physical irregularities gets scrutinized by our QA and technical teams. Root-cause analyses—right down to arrival time, temperature mapping, media lots, and fermenter cleaning—form an archive of case studies consulted for process improvement.
Years ago, we faced an issue with powder compaction and performance drop-off after storage in certain climates. The investigation led to a review of process water purity and modification of the freeze-drying ramp protocol. The fix reduced carrier-bound water and improved powder flow, which flagged a new opportunity: the potential to adapt that learning for other strains outside B420 400B.
Feedback from finished product brands sometimes reveals unknowns. One customer noticed a minor odor shift over time in a product line using B420 400B. Testing exposed trace breakdown due to a non-optimized inert gas flush in the final package, which was then switched to a nitrogen-rich blend, eliminating the issue. These fine changes keep us alert, keeping up our reputation for reliability.
The past ten years spotlighted the shift from generic probiotic products to targeted, evidence-supported offerings. Finished product customers press suppliers for not just solid colony counts, but performance linked to specific user needs. B420 400B enters this market thanks to its published benefit-in-use data, safety track record, and ability to survive the gauntlet from raw ingredient to finished shelf.
Brands seek differentiation by tapping the latest in microbiome science. They ask for clinical support, extended stability in non-refrigerated formats, and formulations with fewer non-active ingredients per serving. Ingredient transparency has risen in importance with consumers who read both the “how many CFU” and the “what else is in here” lines of supplement panels. As more retail and online channels highlight supply chain origin and process, our focus on traceability and non-reliance on animal- or synthetic-derived inputs sets B420 400B apart.
Sustainability also enters the discussion as brands and their customers connect ingredient sourcing to environmental costs. We address this through optimized fermentation designed to minimize waste streams and energy usage, with investment in closed-loop water and biowaste management. Our footprint matters to supplement developers with sustainability commitments of their own. Working in sync, we help the entire channel support both consumer health and responsible production.
With decades of hands-on probiotic production, we’ve seen that strain resilience is more than a laboratory figure. It plays out daily in blending rooms, filling lines, shipping warehouses, and the finished supplement cabinet at home. Our customers return for B420 400B because it keeps working—batch after batch, year after year.
Optimal recovery from raw powder to finished serving depends on manufacturing rigor every step of the way. Shelf life guarantees hold meaning because we design them from real use scenarios, not just idealized test chambers. By focusing on both the science of the organism and the discipline of production, Bifidobacterium Lactobacillus B420 400B sets a practical standard for the evolving world of probiotic dietary ingredients.
