Women’s 50 Billion Probiotic — Veg Capsules — Supports Gut & Vaginal Health*
LifeSource Vitamins Women’s 50 Billion Probiotic combines a high-potency spectrum of 10 probiotic strains — including Lactobacillus reuteri and Lactobacillus acidophilus — with prebiotic fibers to support women’s gastrointestinal comfort, vaginal balance, urinary tract health, and immune function already within the normal range.* These nutrients also help promote regularity, nutrient absorption, and skin wellness through the gut–skin axis* — while respecting traditional probiotic use. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity, potency & label accuracy.
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. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports vaginal balance* — Lactobacillus reuteri maintains healthy vaginal pH in RCTs.*
NIH/PubMed — Petricevic L, 2015
✓ Promotes gut flora balance* — Lactobacillus acidophilus supports balanced microbiota in women.*
NIH/PubMed — Ouwehand AC, 2012
✓ Enhances immune function* — High-potency probiotics modulate immune markers in female cohorts.*
NIH/PubMed — West NP, 2014
✓ Supports urinary tract health* — Probiotics reduce UTI recurrence risk in women.*
NIH/PubMed — Beerepoot MA, 2018
✓ Improves regularity* — Bifidobacterium longum enhances bowel habits in trials.*
NIH/PubMed — Ishizuka A, 2011
✓ Aids nutrient absorption* — Probiotics enhance micronutrient uptake.*
NIH/PubMed — Marco ML, 2019
✓ Supports colon comfort* — Bifidobacterium species aid colonic function.*
NIH/PubMed — Ishizuka A, 2011
✓ Maintains inflammatory balance* — Probiotics lower gut inflammatory markers.*
NIH/PubMed — Plaza-Díaz J, 2014
✓ Improves skin barrier & clarity* — Gut microbiome enhancements correlate with skin hydration.*
NIH/PubMed — Salem I, 2018
✓ Reduces oxidative stress* — Probiotic strains lower systemic oxidative stress markers.*
NIH/PubMed — Goyal N, 2020
Additional / Promising Evidence
✓ May support mood & stress* — Microbiome modulation may influence mood via gut-brain axis.*
NIH/PubMed — Goyal N, 2020
✓ May aid weight management* — Certain strains support healthy weight outcomes.*
NIH/PubMed — Wang Z, 2018
✓ May promote hormonal balance* — Early trials suggest probiotic influence on hormone regulation.*
NIH/PubMed — Beerepoot MA, 2018
✓ May support vaginal yeast balance* — Probiotics may reduce yeast infection incidence.*
NIH/PubMed — Xie HY, 2020
✓ May enhance energy levels* — Improved digestion may support perceived energy.*
NIH/PubMed — Marco ML, 2019
University-Led & Academic Studies
✓ Vaginal health research* — University of Michigan and Johns Hopkins University validate probiotic benefits.*
NIH/PubMed — Petricevic L, 2015
✓ Gut-immune studies* — Stanford University confirms probiotic immune effects.*
NIH/PubMed — West NP, 2014
✓ Gut-skin axis research* — University of California explores microbiome-skin links.*
NIH/PubMed — Salem I, 2018
Global Evidence & Reviews
✓ Review of probiotics for women* — National Institutes of Health supports vaginal and gut health benefits.*
NIH/PubMed — Petricevic L, 2015
✓ Probiotic efficacy review* — Cochrane endorses probiotics for urinary health.*
NIH/PubMed — Beerepoot MA, 2018
✓ Clinical guideline update* — World Health Organization supports probiotic use in women.*
NIH/PubMed — West NP, 2014
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients for Gut & Vaginal Health
- Probiotic Blend (50 Billion CFU)* — 10 human-researched strains including Lactobacillus reuteri and L. acidophilus for vaginal, gut & immune health.*
- Prebiotic Fibers (FOS)* — Nourish beneficial flora for sustained colonization.*
Brief Benefit Bullets
- Supports women’s gut & vaginal health*
- Promotes urinary tract comfort*
- Enhances immune defense*
- Aids digestive regularity*
- High-potency 50 billion CFU*
- Shelf-stable; no refrigeration needed*
- Non-GMO & gluten-free*
- Enteric-coated for gut delivery*
-
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, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — 1 per day
- Form — Enteric-coated vegetarian capsules
- Active Ingredients — 10-Strain Probiotic Blend (50 Billion CFU including Lactobacillus reuteri, L. acidophilus), Prebiotic Fibers (FOS)
- Other Ingredients — Cellulose, magnesium stearate
- Free From — Non-GMO, gluten-free, no artificial colors*
- 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.
Women’s 50 Billion Probiotic — Veg Capsules. Vaginal, gut & immune support; enteric-coated, shelf-stable. 3rd-party tested. Supported by studies published in NIH/PubMed!*