In the world of gut health, few topics stir up as much debate as soil-based probiotics (SBOs)—particularly strains like Bacillus subtilis.
Are they safe? Do they permanently colonize the gut? Are they helpful or harmful?
Let’s break down the truth—and share why Imsyser has always chosen a balanced, research-backed approach when it comes to gut health.
Soil-Based Probiotics: Guest Stars, Not Squatters
Bacillus subtilis is a community-focused, beneficial soil bacterium that works in harmony with your body’s natural ecosystem. Despite the chatter online, science is clear on this: Bacillus subtilis is a community style good bacteria. Instead, it travels through your digestive tract, offers support, and leaves the digestive system aided as it removes any reactive waste in the consortium style probiotic.
Think of it as a helpful guest—it doesn’t overstay its welcome, but while it’s there, it works hard to support and enhance the environment.
Why SBO are a good thing!
Bacillus subtilis (B. subtilis) is a type of probiotic (“good” bacteria) found naturally in the human gut. It’s also found in fermented foods. “Good” bacteria such as B. subtilis might help the body break down food, absorb nutrients, and fight off “bad” organisms that might cause diseases. These bacteria are sometimes added to fermented foods like yogurt.
People use B. subtilis for diarrhea , athletic performance, constipation, Eczema, indigestion, bloating, IBS, and many other conditions.
Don’t confuse Bacillus subtilis with Bacillus coagulans, other probiotics, or fermented food products like kefir or yogurt. While both B. subtilis and B. coagulans are spore-forming, Gram-positive bacteria, B. subtilis is soil-derived, whereas B. coagulans is better known for its lactic acid production and heat-resilience. Both, however, play powerful but distinct roles in supporting gut health.
However, SBO’s improve microbiome diversity:
They demonstrate safety with no toxin production or antibiotic resistance
- Encourage the growth of beneficial strains like Lactobacillus and Bifidobacterium
- Help reduce harmful bacteria
- Avoid long-term disruptions to the gut ecosystem
- Support microbiome diversity
- Promote Lactobacillus and Bifidobacterium growth
- Help reduce harmful microbes
- Maintain gut balance without permanent colonization
- Demonstrate safety with no toxin production or antibiotic resistance
On top of that, toxicology studies confirm it’s safe—no toxin production, and no antibiotic resistance concerns.
Why Imsyser ?
At Imsyser, we’re passionate about creating products that work with your body, not against it. SBO’s form part of the consortium of pre&probiotics – not just isolating either strain (s). It delivers powerful digestive and immune support, but it doesn’t interfere with the natural rhythms of your gut.
As Dianne from Imsyser put it:
“It is spot on—we have soil-based organisms in our 12-Strain Fermented Liquid, a consortium of organisms giving this very balance—Postbiotics, Synbiotics, and Parabiotic effect… mimicking what the gut needs to support interactive clean-up and digestive support naturally.”
This “interactive process” even promotes natural enzyme production, which enhances digestion and nutrient absorption—making it more than just a probiotic, but a full-spectrum gut solution.
Final Thoughts
Soil-based probiotics aren’t dangerous, and they don’t take over your gut. When used correctly—like in Imsyser’s carefully formulated products—they offer short-term support that leads to long-term balance.
Want to experience the power of a naturally balanced microbiome?
Try our 12-Strain Fermented Liquid today—your gut will thank you.