ByDr. Brennan Commerford, D.C.·Last reviewed: May 2026
All Ingredients
Probiotic1 form

Bacillus subtilis (100 Billion CFU/G)

Preferred Form
100 Billion CFU/G
Absorption Score
40/100Good
Evidence Level
Moderate Evidence

See all Bacillus subtilis (100 Billion CFU/G) forms ranked

Scored by absorption, bioavailability & formulary tier

View scores

Quick Answer

What is the best form of Bacillus subtilis (100 Billion CFU/G)?

100 Billion CFU/G is our top-rated form of Bacillus subtilis (100 Billion CFU/G) — the form we recommend for its Best Absorption bioavailability. We compared 1 forms in our formulary.

✓ Top Pick: 100 Billion CFU/G

1forms compared

All Forms of Bacillus subtilis (100 Billion CFU/G)

FormTierAbsorption ScoreDose RangeUnit
100 Billion CFU/GPreferred
40/100Good

Absorption by Form

Good
100 Billion CFU/G
40/100

What is Bacillus subtilis (100 Billion CFU/G)?

Bacillus subtilis (100 Billion CFU/G) is a Probiotic supplement available in 1 form.

Not all forms of Bacillus subtilis (100 Billion CFU/G) are equal. The form you choose determines how much Bacillus subtilis (100 Billion CFU/G) actually reaches your tissues, and the difference between the best and worst forms can be substantial. Bacillus subtilis is a well-researched spore-forming probiotic that remains dormant and stable through processing and stomach acid, germinating in the intestines where it supports healthy microbiome composition. At 100 Billion CFU/G, research suggests it promotes beneficial gut flora and healthy immune response.

Forms of Bacillus subtilis (100 Billion CFU/G) Compared

Bacillus subtilis (100 Billion CFU/G) Preferred (Preferred Form) has a bioavailability rating of high (S1 — best tier). Typical dose range: not yet documented in our database.

What the Research Shows

Bacillus subtilis is a versatile spore-forming probiotic that produces multiple antimicrobial compounds (surfactin, iturin) supporting a healthy gut microbiome. At 100 billion CFU/g, it provides clinically relevant colony counts with exceptional environmental stability. Research supports its role in gut immune modulation and microbiome diversity.

How to Choose the Right Form

Bacillus subtilis (100 Billion CFU/G) is classified as Preferred Form by FormulaForge — our top recommendation for Bacillus subtilis (100 Billion CFU/G). It carries a bioavailability rating of high (S1 — best tier), meaning more of the active compound reaches your tissues per dose unit compared to lower-rated forms.

When choosing a Bacillus subtilis (100 Billion CFU/G) supplement, look for the S1 (best absorption) bioavailability tier on the label. Preferred Forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

For Bacillus subtilis (100 Billion CFU/G), the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Dosing information not yet available for this ingredient.

Frequently Asked Questions

What is the best form of Bacillus subtilis (100 Billion CFU/G)?
Our top-ranked form of Bacillus subtilis (100 Billion CFU/G) is 100 Billion CFU/G. It has Best Absorption bioavailability, meaning your body absorbs and uses it efficiently. When choosing Bacillus subtilis (100 Billion CFU/G) supplements, prioritize this form over generic alternatives.
How much Bacillus subtilis (100 Billion CFU/G) should I take?
Dosing for Bacillus subtilis (100 Billion CFU/G) varies based on the specific form, your health goals, and individual factors. Consult a qualified healthcare provider for personalized guidance.
What does Bacillus subtilis (100 Billion CFU/G) support?
Bacillus subtilis (100 Billion CFU/G) is commonly used to support Probiotic. Research suggests it plays a role in several physiological pathways. As with all supplements, these statements have not been evaluated by the FDA and Bacillus subtilis (100 Billion CFU/G) is not intended to diagnose, treat, cure, or prevent any disease.
Is Bacillus subtilis (100 Billion CFU/G) safe?
Bacillus subtilis (100 Billion CFU/G) is generally well-tolerated when taken at research-supported doses. As with any supplement, individual responses vary. Consult a qualified healthcare provider before use, especially if you are pregnant, nursing, have a medical condition, or take medications. These statements have not been evaluated by the FDA.

Ready to formulate with Bacillus subtilis (100 Billion CFU/G)?

Our formulary recommends 100 Billion CFU/G for optimal bioavailability. Build your personalized formula now.

Start My Formula

Compare & Learn More

FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.