Bacillus subtilis : Core Strength and Individual Support in ProGurt
At Earth & Thyme, we believe that probiotics are more than just ingredients - they are active contributors to your body's microbial ecosystem.
One of the unsung heroes in our ProGurt Core is Bacillus subtilis, a hardy, spore forming probiotic that provides resilience and digestive support.
This versatile culture is also available individually in a 500ml size glass jar for those who want targeted benefits without the full multi-strain blend.

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What is Bacillus subtilis ?
Bacillus subtilis is a naturally occurring bacterium found in soil and in traditional fermented foods.
It is known for:
- Surviving harsh conditions, including stomach acid, allowing it to reach the gut alive.
- Supporting gut microbiome balance by promoting beneficial microbial growth
- Producing enzymes and antimicrobial compounds that help maintain digestive health
Unlike many lactic-acid bacteria, B. subtilis forms resilient spores, making it very stable and a reliable probiotic.
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The Benefits of Bacillus subtilis
1. Supports Digestive Health
B.subtilis contributes to a balanced gut microbiome by producing enzymes that aid in the breakdown of food, helping nutrients to better absorb and reducing digestive discomfort.
2. Reliable & Resilient
The spore forming ability of B. subtilis means it survives storage, processing and stomach acid better than many other probiotics, ensuring that live cultures reach the intestine where they are most effective.
3. Natural Microbial Balance
B.subtilis produces compounds that can inhibit the growth of less desirable bacteria, promoting a healthy microbial balance in the gut.
4. Flexible Use
- Included in ProGurt Core for a robust multi strain support.
- Available as an individual option for those seeking focused support or wishing to experiment with a single strain probiotic and maybe mix your own SIBO combination.
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Why we include Bacillus subtilis in ProGurt
Our goal is to provide food based, living cultures that support daily microbial balance. B.subtilis complements our other lactic acid bacteria by offering :
- Durability and survival through digestion
- Enzyme support for digestion
- Reinforcement of the overall probiotic ecosystem.
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How to Use ProGurt with Bacillus subtilis
For Best results:
- Enjoy daily, either as part of ProGurt Core or as a single strain option.
- ProGurt can be consumed on its own or combined with fiber rich foods , fruit or nuts. Really very special when you add a fresh granadilla off your home grown vine. A real treat.
- Ideal for anyone seeking ongoing support or looking to build microbial resilience over time .
Our prolonged fermentation process allows these cultures to be delivered in a living, bio-available form, supported by proteins, fats and nutrients that help them survive digestion.