As our bodies pass the 50-year milestone, the digestive system goes through major natural shifts: digestive juices decrease, bowel transit slows, and the friendly bacteria that protect our colon drop drastically. Solaray Mycrobiome Complete Probiotic Adults 50 Plus is specifically engineered to replenish this biological loss. Delivering an exceptional 50 Billion Live CFU across 28 diverse probiotic strains, this advanced synbiotic unites prebiotic nourishment, live active cultures, and a heat-stabilized postbiotic to promote comfortable regularity, cardiovascular balance, and sharp mental clarity.
✓ 50 Billion Live Cultures
High-density bacterial biodiversity formulated to restore the mature lower bowel and small intestine.
✓ 3-in-1 Synbiotic Delivery
Combines prebiotic fuel, active living probiotics, and an immune-active postbiotic in a single capsule.
✓ Enteric Shield® Protection
Targeted delayed-release plant capsules resist caustic stomach acid to release organisms safely in the intestine.
✓ Brain & Cardiovascular Strains
Clinically proven bacterial strains targeting stress hormones, memory performance, and cholesterol metabolism.
The Aging Gut: Why Off-The-Shelf Probiotics Fall Short After 50
Most standard grocery store probiotics are formulated for young adults who only need general digestive support. However, aging changes human digestive biology in four distinct ways:
1. The Steep Drop in Bifidobacteria
Human clinical research confirms that the natural colonies of Bifidobacterium in our large intestine decline significantly with age. Bifidobacteria are our gut's front-line defenders; when their numbers drop, the intestinal lining thins, leading to occasional gas, bloating, and irregular bowel habits.
2. Low Stomach Acid (Hypochlorhydria)
As we age, the stomach naturally secretes less hydrochloric acid. While lower stomach acid can cause indigestion and nutrient malabsorption, it also weakens your primary sterilization barrier, permitting unwelcome environmental bacteria to pass into the small intestine.
3. Slower Bowel Motility
The rhythmic muscular contractions that propel food through the intestines (peristalsis) slow down over time. Longer transit times dry out stool, increasing friction and making comfortable, predictable bowel movements much harder to maintain without targeted microbial fiber fermentation.
4. Immune Senescence & The Gut Barrier
More than 70% of the entire immune system lives directly inside the gut tissue (the Gut-Associated Lymphoid Tissue, or GALT). A depleted microbiome fails to stimulate these immune outposts, allowing low-grade systemic inflammation to affect the cardiovascular network and joints.
Solaray Complete Probiotic Adults 50 Plus supplies the specific high-potency strains required to replenish the lower bowel, jump-start natural motility, and reinforce the intestinal barrier against age-related decline.
The 3-in-1 Synbiotic Strategy: Prebiotic, Probiotic & Postbiotic
Taking a single probiotic pill often yields disappointing results because living microbes require food to survive and metabolic co-factors to repair the intestinal wall. Solaray solves this with a comprehensive three-stage synbiotic matrix:
Pillar 1: The Nourishing Base
Prebiotic Plant Fibers
Formulated with Solnul® Resistant Potato Starch and Acacia Gum. These specialized prebiotic fibers pass completely undigested through the stomach and small bowel. Once in the colon, they serve as gentle food for beneficial bacteria, encouraging healthy short-chain fatty acid (SCFA) production without causing excess bloating.
Pillar 2: The Replenishing Fleet
50 Billion Live Probiotics
An abundant diversity of 28 verified Lactobacillus, Bifidobacterium, and Streptococcus strains. This biodiverse population colonizes both the small intestine and colon, crowding out harmful flora, optimizing stool moisture, and supporting smooth nutrient assimilation.
Pillar 3: The Immediate Defender
CRL1505 Postbiotic
Features heat-stabilized Lactobacillus rhamnosus CRL1505. Postbiotics deliver beneficial bioactive cellular compounds directly to the mucosal lining, activating protective mucosal antibodies without having to wait for live bacterial colonization.
Clinically Studied Strains: Backed by Human Science
Rather than relying on unproven generic cultures, Complete Probiotic Adults 50 Plus features identifiable, strain-specific organisms validated in peer-reviewed scientific literature:
Cognitive Health & Stress Resilience: Lactobacillus plantarum DR7
The gut and the brain communicate through the vagus nerve in a biological pathway called the gut-brain axis. In a rigorous, randomized, double-blind, placebo-controlled clinical trial with mature adults, daily intake of L. plantarum DR7 significantly reduced cortisol (the body’s primary stress hormone), reduced perceived anxiety, and improved cognitive memory, attention, and executive processing speed over a 12-week evaluation period.
Scientific Citation: Chong, H. X., et al. (2019). Lactobacillus plantarum DR7 alleviates stress and anxiety in adults: a randomised, double-blind, placebo-controlled study. Beneficial Microbes, 10(4), 355–373. DOI: 10.3920/BM2018.0135.
Cardiovascular & Cholesterol Support: L. plantarum KABP 011, 012 & 013
Maintaining normal cholesterol is a primary concern after 50. These three patented bacterial strains produce an enzyme called Bile Salt Hydrolase (BSH). In the intestine, BSH breaks down bile salts, preventing them from being reabsorbed into the body. This forces your liver to pull circulating low-density lipoprotein (LDL) cholesterol and apolipoprotein B (ApoB) out of the bloodstream to generate fresh bile, supporting cardiovascular health naturally through normal digestion.
Scientific Citation: Padró, T., et al. (2024). Lactiplantibacillus plantarum strains KABP011, KABP012 and KABP013 modulate bile acids and cholesterol metabolism in humans. Cardiovascular Research, 120(5), 540–552. DOI: 10.1093/cvr/cvae061.
Immune resilience begins in the mucosal tissues of the gut and upper respiratory tract. Heat-treated CRL1505 cells act as an immunobiotic, stimulating your body's production of secretory Immunoglobulin A (sIgA). These natural antibodies line the digestive wall, stopping opportunistic invaders from crossing into the bloodstream.
Scientific Citation: Villena, J., et al. (2014). Friendly viruses and immunobiotic bacteria: their role in mucosal protection against respiratory pathogens. Frontiers in Immunology, 5, 296. DOI: 10.3389/fimmu.2014.00296.
Standard fiber supplements like psyllium or synthetic inulin can ferment too quickly, producing uncomfortable gas and bloating. In human placebo-controlled clinical trials, Solnul® resistant starch was shown to ferment gently in the lower colon, significantly elevating native Bifidobacterium colonies while improving bowel consistency on the Bristol Stool Scale.
Scientific Citation: Bush, J. R., et al. (2023). Consumption of Solnul™ Resistant Potato Starch Produces a Prebiotic Effect in a Randomized, Placebo-Controlled Clinical Trial. Nutrients, 15(7), 1582. DOI: 10.3390/nu15071582.
Enteric Shield® VegCaps: Acid-Proof Delivery You Can Trust
Probiotics only provide health benefits if they arrive in your intestine alive. Normal gelatin or plain plant-based capsules dissolve in the stomach within 5 to 10 minutes, exposing live bacteria to aggressive stomach acid (pH 1.5–2.5) that can destroy over 90% of the active cultures before they ever reach your colon.
Acid-Resistant Barrier
The patented Enteric Shield® capsule remains completely intact in harsh gastric juices for at least 60 minutes, ensuring zero bacterial loss in the stomach.
Intestinal pH Trigger
As soon as the capsule moves out of the stomach and enters the neutral environment of the duodenum (pH 6.8+), the plant polymer dissolves safely and smoothly.
Maximum CFU Viability
The full 50 Billion live colony forming units reach the ileum and large bowel active, vital, and fully prepared to colonize and support your gut flora.
Complete Supplement Facts & Verified Strain List
VitaNet is committed to 100% ingredient transparency. Here is the complete nutritional disclosure for Solaray Mycrobiome Complete Probiotic Adults 50 Plus:
Postbiotic Blend Lactobacillus rhamnosus CRL1505 HI (Heat Inactivated)
10 mg *
* Daily Value (DV) not established. Other Ingredients: Cellulose, Vegetable Cellulose Capsule (Enteric Shield®), Silica. Free From: Gluten, Soy, Artificial Colors, Artificial Flavors, and Preservatives. 100% Vegan.
Daily Directions, Storage, & Smart Timing
How & When to Take
Take 1 Enteric VegCap daily with a meal and a large glass of water. Taking your capsule with a light meal provides natural digestive buffering to optimize microbial survival.
Refrigeration & Potency
Keep refrigerated after opening to maintain full 50 Billion CFU potency through the expiration date. The bottle is desiccant-lined and freeze-dried to safely handle room temperature shipping for up to 14 days without loss of live cells.
Taking with Antibiotics
If taking prescription antibiotics, take your probiotic at least 2 to 3 hours before or after your medication. This window prevents the antibiotic from destroying beneficial organisms before they colonize.
Frequently Asked Questions (FAQ)
Why do adults over 50 need a specialized probiotic instead of a standard one?
Aging alters our digestive ecosystem. Native populations of colon-protecting Bifidobacterium drop substantially, stomach acid declines, and bowel transit slows down. Complete Probiotic Adults 50 Plus supplies an elevated 50 Billion CFU concentration with 28 targeted strains that focus specifically on colon lining restoration, bowel regularity, and cardiovascular and memory pathways.
How does a digestive probiotic support healthy cholesterol levels?
This supplement includes patented Lactobacillus plantarum strains KABP 011, 012, and 013. Clinical trials show these bacteria express Bile Salt Hydrolase (BSH) enzymes that deconjugate bile acids in the intestine. To replace lost bile, the liver pulls circulating LDL cholesterol from your bloodstream, naturally encouraging healthy total cholesterol and apolipoprotein B (ApoB) levels.
How does the gut microbiome influence cognitive memory and everyday stress?
Through the gut-brain axis, beneficial intestinal flora influence neurotransmitter production and help balance the hypothalamic-pituitary-adrenal (HPA) axis. The inclusion of clinically researched Lactobacillus plantarum DR7 has been demonstrated in human double-blind clinical trials to lower circulating cortisol and support mental focus, memory recall, and emotional calm in adults.
What is a postbiotic and why is it included alongside live bacteria?
A postbiotic consists of non-living, heat-stabilized beneficial bacterial cells and their beneficial metabolic byproducts. The postbiotic strain in this formula (Lactobacillus rhamnosus CRL1505 HI) delivers immediate mucosal immune defense by boosting secretory Immunoglobulin A (sIgA) along the digestive tract, without needing to establish living colonies.
Will the probiotic lose its potency during transit without cold packs?
No. Solaray formulates this product with intentional organism overages and packages it in desiccant-lined, moisture-impermeable bottles. The freeze-dried cultures remain fully stable at room temperature for up to 14 days during transit. Simply place the bottle in your home refrigerator once it arrives to safeguard peak potency through the expiration date.
FDA & Medical Disclaimer: 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. Always consult your personal physician or qualified healthcare provider before beginning any dietary supplement regimen, especially if you are pregnant, nursing, taking prescription medications, or under medical supervision for a diagnosed gastrointestinal or cardiovascular condition.
Supplied by VitaNet LLC. Verified authentic Solaray nutritional products manufactured in strict compliance with current Good Manufacturing Practices (cGMP) and third-party laboratory tested for microbial identity, purity, and potency.
