Product Description
Most probiotic supplements don't survive the trip. The Lactobacillus and Bifidobacterium strains in the majority of probiotic products are fragile — they're killed by stomach acid before they reach the intestines where they're supposed to work. Clinical research shows fewer than 1% of many commercial probiotic strains make it through gastric transit intact.
For athletes who are already asking their gut to handle high-carb fueling, heavy training stress, and frequent travel, a probiotic that doesn't survive the stomach is a supplement that isn't doing its job.
Bacillus coagulans is built differently. It's a spore-forming probiotic — meaning it forms a protective shell around its DNA that acts as biological armor, allowing it to survive the harsh acidic environment of the stomach and germinate only once it reaches the intestines where it can actually colonize and deliver benefits. Studies show spore-forming strains reach the colon with greater than 90% viability. That's the probiotic you actually get a return on.
Spore-Forming Protection That Works – While fragile probiotic strains lose most of their potency to stomach acid before they reach the gut, B. coagulans forms spores that withstand extreme pH, heat, and pressure — arriving in the intestines intact and ready to germinate. This means the CFU count on the label is actually what gets delivered to your gut, not a fraction of it filtered through your stomach acid.
Built for Athletes' Lives – Most probiotic supplements require refrigeration to maintain viability, making travel, training camps, and race weekends a compliance challenge. B. coagulans is inherently shelf-stable at room temperature — throw it in your race kit, travel bag, or gym bag without worrying about maintaining a cold chain. The spore structure protects potency regardless of storage conditions.
NSF Certified for Sport – Thorne Bacillus Coagulans carries NSF Certified for Sport status, confirming every batch is tested for banned substances and that what's on the label is what's in the capsule. For competitive athletes who can't afford to take risks with their supplement stack, this certification provides the verification that matters.
Once in the intestines, B. coagulans produces lactic acid and secretes beneficial fatty acids that support the growth of other beneficial microorganisms, help crowd out pathogenic bacteria, aid nutrient absorption, and support the gut-immune connection. Roughly 70% of your immune system resides in your gut — supporting its microbiome has direct downstream effects on immune function, inflammatory balance, and recovery quality.
How to Use Thorne Bacillus Coagulans
Daily Foundation: Take 1 capsule two to three times daily with food, or as recommended by your healthcare practitioner. Consistent daily use is what builds and maintains a healthy gut environment — probiotics require consistency to sustain their transient effects.
Travel and Race Periods: The shelf-stable format makes B. coagulans ideal for maintaining gut health during the travel and schedule disruption that surrounds competition — no cold chain required, no compliance gap.
Pro Tip: Take with a meal rather than on an empty stomach — food buffers stomach acidity and creates an even more favorable transit environment for the probiotic, even for spore-forming strains.
- Gluten free
- Vegan
Supplement Facts
60 Servings
Serving Size: One Capsule
Serving Per Container: 60
| Amount Per Serving | ||
|---|---|---|
| % Daily Value* | ||
| Bacillus coagulans (MTCC 5856) 133mg | ** | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Daily Value (DV) not established
Always Happy Promise: Don't like a product? Tell us within 30 days of receipt and we'll make it right and make you happy. Here at The Feed, we want you to love your experience and the sports nutrition products you purchase. If, for any reason, you are not satisfied with your nutrition specific purchase, tell us.
We do not accept returns on food items that have been opened, but we will issue a store credit if you are unsatisfied. In the event of a return, you must first contact us before sending back a return shipment.
Consumable products over $40 receive a 50% store credit. This includes specialty nutrition products such as ketones or supplements/vitamins.
Thorne Bacillus Coagulans FAQ's
Everything you need to know before getting started.



B. coagulans is a spore-forming probiotic. Unlike fragile Lactobacillus and Bifidobacterium strains that can lose most of their potency to stomach acid during transit, B. coagulans forms protective spores — biological armor that survives the harsh gastric environment and germinates only once it reaches the intestines. Studies show spore-forming strains arrive in the colon with greater than 90% viability compared to the small fraction of fragile strains that survive. The CFU count on the label is what actually reaches your gut.
Most probiotic supplements require refrigeration to keep fragile bacterial strains alive — which creates a real compliance problem during travel, training camps, race weekends, and any time you're away from home. B. coagulans is inherently shelf-stable because the spore structure protects bacterial viability at room temperature. Keep it in your race bag, travel kit, or gym bag without any concern about cold chain maintenance.
Some probiotics have 50 billion. CFU count matters less than viability at the site of action. A product with 50 billion CFU of fragile strains that lose 99% to stomach acid delivers far less active probiotic than 2 billion CFU of spore-forming B. coagulans that arrives with 90%+ viability intact. Survival and delivery matter more than the number on the bottle.
Most athletes notice improvements in digestive comfort, reduced bloating, and more regular bowel function within 1–2 weeks of consistent daily use. Immune and recovery benefits typically build over 4–6 weeks. Because probiotic benefits are transient, consistency is essential — skipping days reduces the protective effect.