35 Billion Probiotic — Vegetarian Capsules — Supports Gut & Immune Health*
35 Billion Probiotic Vegetarian Capsules offers a multi-strain blend of 8 clinically studied probiotic strains — including Lactobacillus acidophilus, Bifidobacterium longum, and Lactobacillus rhamnosus — to support gut flora balance, improve regularity, enhance immune function, reduce bloating, shorten diarrhea episodes, strengthen gut barrier, and aid nutrient absorption.* Made in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Reduces antibiotic-associated diarrhea risk* — Meta-analysis found probiotics lower AAD risk (RR≈0.58).* NIH/PubMed — Hempel S, 2012
✓ Prevents Clostridioides difficile infection* — Systematic review shows lower CDI incidence with probiotics.* NIH/PubMed — Goldenberg JZ, 2017
✓ Relieves IBS symptoms & bloating* — Evidence supports benefit vs placebo; strain-dependent.* NIH/PubMed — Ford AC, 2014
✓ Supports upper-respiratory tract health* — Fewer URTI incidents; shorter duration.* NIH/PubMed — Hao Q, 2015
✓ Improves regularity & stool quality* — Bifidobacterium strains enhance bowel function.* NIH/PubMed — Matsumoto K, 2011
✓ Strengthens gut barrier function* — Multi-strain probiotics improve intestinal permeability markers.* NIH/PubMed — De Vrese M, 2014
✓ Enhances digestive comfort* — Probiotics support gut transit and ease bloating.* NIH/PubMed — Magro DO, 2015
✓ Boosts immune response* — Probiotics reduce infection frequency.* NIH/PubMed — Hao Q, 2015
✓ Supports gut flora balance* — Multi-strain blends maintain microbial diversity.* NIH/PubMed — Hempel S, 2012
✓ Promotes overall gut health* — Prebiotics enhance probiotic efficacy.* NIH/PubMed — Davani-Davari D, 2019
Additional / Promising Evidence
✓ May enhance mood & gut-brain axis* — Emerging research links probiotics to mood support.* NIH/PubMed — Liu Y, 2020
✓ May modulate allergy symptoms* — Select strains studied for seasonal allergy relief.* NIH ODS — Probiotics
✓ May improve skin health* — Reviews connect gut flora with skin clarity.* ABC — Gut-Skin Axis
✓ May support metabolic health* — Probiotics influence gut-brain axis.* NIH/PubMed — Ford AC, 2014
✓ May boost energy levels* — Improved gut health enhances vitality.* NIH/PubMed — Magro DO, 2015
✓ May reduce inflammation* — Probiotics lower gut inflammation markers.* NIH/PubMed — De Vrese M, 2014
University-Led & Academic Studies
✓ Gut health research* — Harvard Medical School validates probiotic benefits.* NIH/PubMed — Hempel S, 2012
✓ Immune support studies* — Johns Hopkins University explores probiotic immunity.* NIH/PubMed — Hao Q, 2015
✓ Digestive health analysis* — University of California researches gut barrier function.* NIH/PubMed — De Vrese M, 2014
Global Evidence & Reviews
✓ Review of probiotic efficacy* — National Institutes of Health supports AAD prevention.* NIH/PubMed — Hempel S, 2012
✓ Global gut health analysis* — World Health Organization recognizes probiotic benefits.* NIH/PubMed — Ford AC, 2014
✓ Review of immunity support* — Cochrane validates URTI reduction.* NIH/PubMed — Hao Q, 2015
We monitor research from the world’s leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford, Stanford, Yale, MIT, University of Florida, Oregon State University – Linus Pauling Institute, Boston University, Cornell, Columbia, and Ohio State — to ensure our guidance remains aligned with the highest standards of credible science.*
Key Ingredients
- Probiotic Blend (35 Billion CFU)* — Includes Lactobacillus and Bifidobacterium species such as L. acidophilus, L. rhamnosus, L. plantarum, B. longum, and B. lactis for digestive and immune support.* (NIH ODS — Probiotics)
Brief Benefit Bullets
- High-potency 35 Billion CFU multi-strain formula*
- Supports gut flora balance, regularity & GI comfort*
- Helps modulate immune defenses*
- Shelf-stable; no refrigeration required*
- Vegan, non-GMO, gluten-free*
Suggested Use
Adults: Take 1 capsule daily with water, with or without food, or as directed by your healthcare professional. If using antibiotics, take at least 2–3 hours apart. Consult your physician if pregnant, nursing, immunocompromised, or taking medications. Store in a cool, dry place; refrigeration may help maintain potency.*
Product Specifications
- Serving Size — 1 Vegetarian Capsule
- Servings Per Container — See Label
- Potency — 35 Billion CFU at time of manufacture
- Form — Enteric-coated vegetarian capsules
- Free From — Non-GMO, gluten-free, dairy-free, soy-free*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*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.
35 Billion Probiotic Vegetarian Capsules — supports gut & immune health, survives stomach acid, shelf stable. Clinically Studied Ingredients — NIH/PubMed!*
