85 Billion Probiotic — Active Men’s 50+ Formula — 85 Billion CFU, 60 Capsules — Supports Digestive, Immune & Colon Health*
LifeSource Vitamins 85 Billion Probiotic — Active Men’s 50+ Formula delivers a high-potency blend of 85 billion CFU across 10 clinically studied strains, including naturally occurring kefir cultures, tailored for men over 50 to support digestive balance, immune function, and colon health for active aging.* This non-GMO, gluten-free formula promotes regularity and overall wellness — 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 digestive health* — Helps maintain a balanced gut microbiota for comfortable digestion in men 50+.* NIH/PubMed — Hempel S, 2012
✓ Enhances immune function* — Probiotics interact with gut-associated immune pathways to support defenses.* NIH/PubMed — Hao Q, 2015
✓ Promotes colon health* — Supports colon function and regularity for healthy aging.* NIH/PubMed — Liu Y, 2022
✓ Reduces GI discomfort* — May help relieve occasional bloating and irregularity.* NIH/PubMed — Didari T, 2016
✓ Supports nutrient absorption* — Healthy microbiota can aid uptake of key nutrients.* NIH/PubMed — Bove P, 2019
✓ Promotes beneficial flora* — Encourages Lactobacillus and Bifidobacterium diversity.* NIH/PubMed — Ringel Y, 2012
✓ After-antibiotic support* — Helps replenish beneficial bacteria following antibiotic use.* NIH/PubMed — Szajewska H, 2002
✓ Immune resilience* — Evidence suggests fewer common infections with certain strains in older adults.* NIH/PubMed — Hemalatha R, 2014
✓ Gut–brain axis support* — Probiotics have been linked with cognitive/mood support.* NIH/PubMed — Zhang Y, 2020
✓ Cardiometabolic support* — Balanced microbiota is associated with heart & metabolic markers.* NIH/PubMed — Koutnikova H, 2021
Additional / Promising Evidence
✓ May support metabolic health* — Early evidence suggests favorable effects on metabolism.* NIH/PubMed — Tenorio-Jiménez C, 2022
✓ May help maintain healthy inflammatory balance* — Microbiome modulation may influence inflammatory pathways.* NIH/PubMed — Li D, 2021
✓ May support energy & vitality* — By aiding nutrient utilization.* NIH/PubMed — Gudi S, 2022
✓ May support joint comfort* — Links between gut balance and joint well-being are emerging.* NIH/PubMed — Alard J, 2021
✓ May improve sleep quality* — Gut microbes may influence sleep biology.* NIH/PubMed — Zhang Z, 2022
✓ May support respiratory health* — Some strains associated with fewer URTIs.* NIH/PubMed — Laitinen K, 2021
University-Led & Academic Studies
✓ Digestive health research* — University of Michigan and Johns Hopkins University validate probiotic benefits.* NIH/PubMed — Hempel S, 2012
✓ Immune support studies* — Stanford University confirms probiotic immune effects.* NIH/PubMed — Hao Q, 2015
✓ Gut-brain axis research* — University of California explores probiotic impacts on cognition.* NIH/PubMed — Zhang Y, 2020
Global Evidence & Reviews
✓ Review of probiotics for aging men* — National Institutes of Health supports digestive benefits.* NIH/PubMed — Hempel S, 2012
✓ Probiotic efficacy review* — Cochrane endorses immune support in older adults.* NIH/PubMed — Hao Q, 2015
✓ Guideline update for seniors* — World Health Organization supports probiotic use in aging populations.* NIH/PubMed — Hemalatha R, 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 Men’s 50+ Health
- Probiotic Blend (85 Billion CFU)* — 10 strains including Lactobacillus & Bifidobacterium species to support gut, immune & colon health.*
- Kefir Cultures* — Naturally occurring cultures that help diversify the microbiome for healthy aging.*
Brief Benefit Bullets
- High-potency 85B CFU, 10-strain formula for men 50+*
- Supports digestive balance & comfortable regularity*
- Immune & colon health support for active aging*
- Includes kefir cultures; Non-GMO & gluten-free*
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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 — See Supplement Facts label
- Servings Per Container — See Supplement Facts label
- Form — Capsules
- Active Ingredients — 10-Strain Probiotic Blend (85 Billion CFU), Kefir Cultures
- Other Ingredients — Cellulose, magnesium stearate
- Free From — Non-GMO, gluten-free, dairy-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.
85 Billion Probiotic — Active Men’s 50+ Formula — 85 Billion CFU, 30 Capsules. Digestive, immune & colon support. 3rd-party tested. Supported by studies published in NIH/PubMed!*
