Capsules · 100 capsules
Serving Size: 1 Vegetarian Acid-Resistant Capsule
Amount Per Serving
Multi-Strain Probiotic Blend ... 4 Billion CFU
Containing:
Lactobacillus acidophilus (La-14) ... 1.15 Billion CFU
Lactobacillus rhamnosus (Lr-32) ... 1.15 Billion CFU
Bifidobacterium lactis (HN019) ... 500 Million CFU
Lactococcus lactis (Ll-23) ... 275 Million CFU
Bifidobacterium longum (Bl-05) ... 275 Million CFU
Bifidobacterium bifidum (Bb-02) ... 275 Million CFU
Lactobacillus gasseri (Lg-36) ... 275 Million CFU
Streptococcus Thermophilus (St-21) ... 150 Million CFU
Digestive and Prebiotic Blend ... 210 mg
FOS (fructooligosaccharides) and Ulmus fulva (inner bark)
Other Ingredients: Microcrystalline cellulose, capsule (hydroxypropyl methylcellulose, pectin, glycerol, purified water).
Non-GMO and Gluten Free.
Multi-Probiotic® is a registered mark of Nutri-Health Supplements, LLC, used with permission.
Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, consult your health professional before use.
Keep out of reach of children.
Storage: Store in a cool, dry place, away from direct light. Refrigerate after opening for optimal results. This product should be kept sealed tightly in the bottle.
As a dietary supplement, adults take one capsule, one to three times daily or as directed by a healthcare professional.
Ingredient information is provided above. A clear label image is not available yet.
View original supplier image (quality may be limited)Source: Fullscript supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Multi-Probiotic® 4 Billion from Douglas Labs is a multi-strain probiotic formula delivering 4 billion CFU per serving across a blend of Lactobacillus and Bifidobacterium species. Designed to support a balanced gut microbiome, it may help maintain digestive comfort and healthy intestinal flora for adults seeking foundational probiotic support.
Why It's Worth Considering: Douglas Labs formulates to practitioner-grade standards, and this product uses a combination of complementary strains rather than a single-species approach, offering broader coverage across different regions of the GI tract.
As a dietary supplement, adults take one capsule, one to three times daily or as directed by a healthcare professional.
| Feature | Multi-Strain (this) | Spore-Based | Saccharomyces | Single-Strain |
|---|---|---|---|---|
| Survivability | Moderate (refrigerate) | Excellent (shelf-stable) | Excellent (yeast-based) | Moderate |
| Best For | General gut health | Antibiotic recovery | Diarrhea, C. diff | Targeted conditions |
| CFU Range | 10-100 billion | 2-5 billion (potent) | 5-10 billion | 1-50 billion |
| Research | Extensive | Growing | Strong (S. boulardii) | Strain-specific |
For general health maintenance, 10-20 billion CFU is sufficient. For therapeutic use (post-antibiotics, IBS, immune support), 50-100 billion CFU is recommended. More important than CFU count is strain diversity and survivability, a 5 billion spore-based probiotic may be more effective than a 100 billion conventional strain that doesn't survive stomach acid.
Take with food or within 30 minutes of eating. Food buffers stomach acid and increases probiotic survival by up to 100x. A small amount of fat in the meal further improves survival. Exception: spore-based probiotics (Bacillus strains) are acid-resistant and can be taken anytime.
Yes, temporary bloating, gas, or changes in bowel habits during the first 3-7 days is common and actually a positive sign. This 'die-off' reaction occurs as beneficial bacteria displace harmful organisms. If symptoms persist beyond 2 weeks, reduce the dose by half and gradually increase.
It depends on the strain. Most Lactobacillus and Bifidobacterium strains require refrigeration for viability. Spore-based probiotics (Bacillus) and Saccharomyces boulardii are shelf-stable. Check the label, if it says 'viable at time of manufacture' rather than 'at time of expiration,' refrigerate.
Yes, in fact, it's strongly recommended. Take the probiotic 2-3 hours apart from the antibiotic dose (so the antibiotic doesn't kill the probiotic). Saccharomyces boulardii is particularly resistant to antibiotics. Continue probiotics for at least 2-4 weeks after completing the antibiotic course.
For acute use (post-antibiotics, traveler's diarrhea), 4-8 weeks minimum. For chronic conditions (IBS, immune support), ongoing daily use is recommended. Probiotics don't permanently colonize, they exert benefits while you take them and for a limited time after stopping. Think of them as a daily maintenance supplement, not a one-time fix.
No significant interactions identified. Always consult your healthcare provider.
† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
