LifeSource Vitamins
Rated 4.86 out of 5
7 Reviews

Senior Men's 85 Billion Probiotic Formula - 60 Vegetarian Capsules - 30 Servings

Original Price: $51.99   Current Price: $51.99
  • Supports colon health, digestion, and immune function with kefir culture*
  • High-potency 85 billion CFU multi-strain probiotic blend*
  • Promotes healthy microflora balance post-antibiotics*
  • Includes organic fruit, veggie, and mushroom blend*
  • Provides ultra digestive enzyme support for regular elimination*
  • Contains whole food vitamins & minerals for men 50+*
  • Acid & bile tolerant; shelf-stable with BEARS technology*
  • 3rd-party lab tested for purity & potency
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Product Details

85 Billion Probiotic — Active Men’s 50+ Formula — 85 Billion CFU, 30 Capsules — Supports Digestive, Immune & Colon Health*


85 Billion Probiotic — Active Men’s 50+ Formula — 85 Billion CFU, Capsules, 30 Count — 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.* Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity, potency & label accuracy.

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 guidance aligned with credible science.*

Clinically Studied Benefits (with research)


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 restore beneficial bacteria following antibiotic use.* (NIH/PubMed — Szajewska H, 2002)


Immune resilience* — Certain strains are associated with fewer common infections in older adults.* (NIH/PubMed — Hemalatha R, 2014)


Gut–brain axis support* — Probiotics have been linked with cognitive and 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 — Barengolts E, 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 / Academic Context*


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 & Authoritative 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 Univ, Johns Hopkins Univ, Mayo Clinic, Cleveland Clinic, Cambridge Univ, Oxford Univ, Stanford Univ, Yale Univ, Tufts Univ, Univ of Florida, Oregon State Univ (Linus Pauling Institute), Columbia Univ, Cornell Univ, and many more — to keep our guidance aligned with credible science.*
Key Ingredients for Men’s 50+ Health

Core Nutrients

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*

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*

QualityThird-party tested for identity, potency & purity


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 — 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!*

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