Spore Probiotic IgG by Dr. Rajsree, MD | Spore-Based Probiotic & IgG for Gut Barrier & Immune Support | 3 Bacillus Strains + Bovine Immunoglobulins | 90 Capsules

Product description

What bacteria are present in Spore Probiotic IgG?

Contains 3 spore-based Bacillus probiotics—B. coagulans, B. clausii, and B. subtilis—shown to support gut health and may help with SIBO and IBS.

What is the IgG in this probiotic?

IgG is bovine-derived antibodies that help heal gut swelling, bind toxins, and support a healthy microbiome. It may improve leaky gut, food tolerance, and reduce SIBO “die-off” symptoms during treatment.

Can I use Spore Probiotic IgG even if I don’t have SIBO, or after I finish treating SIBO?

Yes! Many with gut issues or IBS benefit from spore-based Bacillus probiotics and IgG antibodies. After SIBO treatment, switching to a broad-spectrum probiotic like Probiotic 100 Billion can also be helpful.

What allergens are present in Spore Probiotic IgG?

Free of wheat, gluten, soy, milk, egg, fish, shellfish, and tree nuts. Made in a GMP facility handling allergens. Contains bovine immunoglobulins and trace rice-derived maltodextrin. Encapsulated in a vegetarian capsule.

Is Spore Probiotic IgG third-party tested?

All our supplements are third-party tested and made with high-quality ingredients to ensure purity, potency, and safety, free from harmful contaminants and unnecessary fillers.

Product Dimensions ‏ : ‎ 4.3 x 2.25 x 2.25 inches; 2.4 ounces
Date First Available ‏ : ‎ November 11, 2025
Manufacturer ‏ : ‎ OC Integrative
ASIN ‏ : ‎ B0G1VRF16V
Best Sellers Rank: #192,334 in Health & Household (See Top 100 in Health & Household) #676 in Acidophilus Nutritional Supplements
Customer Reviews: 4.6 4.6 out of 5 stars (30) 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); } }); });
ADVANCED SPORE-BASED PROBIOTIC WITH IgG SUPPORT: Spore Probiotic IgG is a physician-formulated blend of Bacillus spore-based probiotics combined with bovine immunoglobulins (IgG), designed to support gut microbial balance, digestive comfort, and immune function. This advanced formula helps promote a resilient intestinal environment as part of a balanced lifestyle.
USA cGMP-CERTIFIED HIGH QUALITY STANDARDS: Manufactured in the United States in advanced, cGMP-certified facilities operating under strict federal cleanliness and quality control standards. Every batch is independently third-party tested for purity, consistency, and potency.
SPORE-BASED STRAINS FOR TARGETED DELIVERY: Unlike many traditional probiotics, Bacillus spores are naturally resilient and designed to survive stomach acid, allowing them to reach the intestines intact. This targeted delivery helps support microbial balance without overwhelming the digestive system.
IgG FOR GUT BARRIER & IMMUNE SUPPORT: Bovine immunoglobulins (IgG) provide additional support for gut barrier integrity and immune balance. This complementary pairing of spores and IgG reflects the close connection between digestive health and immune function.
DESIGNED FOR DIGESTIVE COMFORT & BALANCE: This formula is commonly used to support overall digestive comfort and intestinal resilience, particularly for individuals seeking a gentle yet effective probiotic option.party tested.
NO REFRIGERATION REQUIRED CLEAN FORMULA: Shelf-stable and convenient for daily use. Gluten-free, Dairy-free, Soy-Free, No Unnecessary Additives. Containes bovine-derived IgG.
PHYSICIAN-FORMULATED CLINICALLY INFORMED: Formulated by Dr. Rajsree Nambudripad, MD, a board-certified physician known for her evidence-based approach to digestive and whole-body health. This formula reflects the same clinical precision used in patient care and integrative digestive protocols. For additional product information and educational resources, visit Dr. Rajsree’s official Amazon store.