THORNE – Sacro-B – Saccharomyces boulardii – Shelf Stable Probiotic – Gut Health Supplement to Support Immune Function in the Gut – Occasional Diarrhea Relief* – Third-Party Certified – 60 Capsules

Price: $43.00
(as of Mar 20, 2026 22:45:03 UTC – Details)

Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant Video

1 Testing

2 The “No-List”

3 U.S. Manufactured

4 Formulation

5 Quality Ingredients

Discover More Products From Thorne

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.7 out of 5 stars 441

4.2 out of 5 stars 6,966

4.7 out of 5 stars 15,660

4.7 out of 5 stars 1,475

4.6 out of 5 stars 2,892

4.4 out of 5 stars 6,055

4.3 out of 5 stars 2,289

Price

$43.00$43.00

$36.00$36.00

$44.00$44.00

$25.00$25.00

$41.00$41.00

$44.00$44.00

$52.00$52.00

Servings

60

30

90

90

90

30

60

Primary Benefits

Gut Health

Foundational Support

Sports Performance

Muscle & Sleep Support

Heart & Brain Health

Heart & Gut Health

Muscle & Sleep Support

Key Ingredients

Saccharomyces boulardii

Vitamin B, Magnesium

Creatine Monohydrate

Magnesium Glycinate

Omega-3 Fatty Acids

Berberine Phytosome

Magnesium

Gluten & Dairy Free

✔

✔

✔

✔

✔

✔

✔

Trusted by 45K+ Health Pros

✔

✔

✔

✔

✔

✔

✔

3rd Party Certified

✔

✔

✔

✔

✔

✔

✔

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.83 x 1.83 x 3.22 inches; 2.24 ounces
Date First Available ‏ : ‎ October 2, 2001
Manufacturer ‏ : ‎ Thorne Research
ASIN ‏ : ‎ B000FGXO7A
Best Sellers Rank: #21,798 in Health & Household (See Top 100 in Health & Household) #679 in Blended Vitamin & Mineral Supplements
Customer Reviews: 4.7 4.7 out of 5 stars (441) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Gut Health: Provides probiotic support for the growth of beneficial gut flora to aid digestive health and provide relief for those who face bouts of occasional diarrhea*
Immune Function: Supports an increase in the production of secretory IgA for a stronger first line of defense in the gastrointestinal tract*
Shelf-Stable Probiotic: Every 1-capsule serving provides 5 billion CFUs of Saccharomyces boulardii no refrigeration required
Third-Party Certified: This product has been third-party tested and certified to verify what’s in the package matches what’s on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)