LifeSource Vitamins Dophilus Plus Probiotics offers a multi-strain blend of Lactobacillus and Bifidobacterium, enriched with prebiotic FOS and larch arabinogalactan (FiberAid®), to support healthy gut flora, improve regularity, enhance immune function, reduce bloating, and aid digestive comfort.* Made in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency.
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 (with research)
• 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 — De Vrese M, 2014)
Additional Potential Benefits*
• Supports immune markers* — Select combinations boost mucosal immunity (e.g., sIgA).* (NIH/PubMed — Jain S, 2007)
• Improves GI transit time* — Faster transit with certain Bifidobacterium strains.* (NIH/PubMed — Waller PA, 2011)
• May enhance gut comfort* — Prebiotics reduce occasional discomfort.* (NIH/PubMed — Davani-Davari D, 2019)
• 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 / Academic Context*
• Gut health research* — University of Michigan and Harvard Medical School validate 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 & Authoritative 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 prebiotic support* — Cochrane validates prebiotic efficacy.* (NIH/PubMed — Davani-Davari D, 2019)
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.*
Brief Benefit Bullets
• Helps maintain healthy gut flora balance*
• Supports immune defenses & upper-respiratory wellness*
• Supports regularity; helps ease occasional bloating/gas*
• 5 Billion CFU with prebiotic FOS + larch arabinogalactan*
• Shelf-stable; no refrigeration required*
• Non-GMO, gluten-free*
3rd-party lab tested for purity & potency*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, immunocompromised, or have a medical condition, consult your physician.*
Product Specifications
• Serving Size — 1 Vegetarian Capsule
• Proprietary Probiotic Blend — 23.7 mg (5 Billion CFU†) per serving
• Strains (as listed on label) — Lactobacillus acidophilus La-14; Bifidobacterium lactis Bl-04; Bifidobacterium bifidum Bb-02; Bifidobacterium longum Bl-05; Lactobacillus rhamnosus Lr-32; Lactobacillus plantarum Lp-115; Lactobacillus salivarius Ls-33; Lactobacillus bulgaricus Lb-87
• Prebiotic Blend — 60 mg (Fructooligosaccharides (FOS), Larch Arabinogalactan (FiberAid®))
• Other Ingredients — Cellulose; vegetarian capsule (modified cellulose, water); silica; magnesium stearate; calcium silicate
• Form — Vegetarian capsules
• Free From — Non-GMO, gluten-free; no artificial colors*
• Quality — Third-party tested for identity, potency & purity
†Colony-Forming Units at end of shelf life when stored at room temperature, per label. BEARS acid-resistant design helps strains survive stomach acid.*
Perfect For:
• Daily gut & immune support*
• Those seeking regularity & digestive comfort*
• Shoppers who want multi-strain probiotics with prebiotics*
Key Ingredients
• Multi-strain Probiotic Complex — Evidence-backed Lactobacillus & Bifidobacterium species for digestive & immune support.* (NIH/PubMed — Hempel S, 2012)
• Prebiotic FOS & Larch Arabinogalactan — Nourish beneficial bacteria and support microbial balance.* (NIH/PubMed — Davani-Davari D, 2019)
At LifeSource Vitamins, we test every single product through independent, third-party labs to verify identity, purity, potency, and label accuracy. Click here to view our 3rd-party testing process
LifeSource Vitamins — Proudly American, Family-Owned, and Serving Customers 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.
LifeSource Dophilus Plus Probiotics — 5 Billion CFU — Vegetarian Capsules. Multi-strain probiotic with prebiotics for gut & immune support. 3rd-party tested. Supported by studies published in NIH/PubMed!*