Acidophilus Probiotic Blend | Multi-Strain Gut Support

An acidophilus Probiotic Blend is a multi-strain probiotic formula built around Lactobacillus acidophilus and complementary bacterial strains that work together to promote digestive health, gut microbiome balance, and immune function. Rather than relying on a single organism, a well-designed blend delivers a diversity of beneficial bacteria—each with distinct mechanisms of action—to support the gastrointestinal tract from the stomach through the large intestine.

Vitabase Probiotic Blend is a complete gastrointestinal support complex that delivers 750 million CFUs at the time of manufacture across six well-researched probiotic strains: Bacillus subtilis (DE111®), Bacillus coagulans, Bifidobacterium bifidum, Lactobacillus rhamnosus, Lactobacillus acidophilus, and Lactobacillus paracasei. Alongside these probiotics, the formula includes two prebiotic fibers—FOS (fructooligosaccharides) and XOS (Xylooligosaccharides)—that serve as food for the beneficial bacteria, helping them thrive and enhancing their effectiveness.

This acidophilus Probiotic Blend is formulated with GMO-free ingredients and uses vegetable capsules for easy digestion. It is also gluten free. Each bottle contains 120 capsules, and the product may be refrigerated to help maximize shelf-life and potency.

The six probiotic strains in this acidophilus Probiotic Blend each contribute through complementary pathways. The spore-forming strains—Bacillus subtilis (DE111®) and Bacillus coagulans—are uniquely resistant to stomach acid and bile, arriving in the intestine with near-complete viability. Research suggests that Bacillus subtilis spores survive gastric transit at a rate of nearly 100%, germinate in the intestine, and consume oxygen to create an anaerobic environment favorable for Lactobacillus and Bifidobacterium. Bacillus coagulans germinates within four to six hours of entering the duodenum, producing lactic acid and bacteriocins that help lower intestinal pH and inhibit pathogenic bacteria.

The Lactobacillus strains—acidophilus, rhamnosus, and paracasei—are among the most extensively studied probiotic species for digestive and immune health. Lactobacillus acidophilus produces lactic acid, bacteriocins, and bile salt hydrolases, and its S-layer proteins promote adhesion to intestinal epithelial cells. Lactobacillus rhamnosus secretes proteins p40 and p75 that support intestinal barrier integrity and promote IgA production. Lactobacillus paracasei produces exopolysaccharides associated with immune modulation and tight junction enhancement.

Bifidobacterium bifidum is a natural colonizer of the human colon and lower small intestine. Studies suggest it enhances the intestinal epithelial tight junction barrier through a Toll-like receptor-2 (TLR-2) mediated pathway, and it plays a key role in early-life gut colonization due to its unique ability to metabolize human milk oligosaccharides.

The prebiotic duo of FOS and XOS completes the formula by selectively feeding Bifidobacterium and Lactobacillus species in the colon. Research suggests that FOS supplementation increases beneficial bacteria and promotes production of short-chain fatty acids (SCFAs) such as acetate, propionate, and butyrate—metabolites linked to improved intestinal barrier integrity and reduced inflammatory signaling. XOS achieves comparable bifidogenic effects at lower doses than many other prebiotics, and studies suggest it also supports tight junction protein expression and gut barrier function.

This acidophilus Probiotic Blend is designed for adults seeking comprehensive gastrointestinal support. It may be particularly relevant for individuals looking to restore beneficial bacteria to the body, promote an excellent digestive system in the small and large intestines, and support healthy immune function.

People who have recently taken antibiotics may find the formula helpful, as research suggests that probiotic strains like Lactobacillus rhamnosus and Bacillus coagulans may help maintain gut microbiota balance during and after antibiotic use. Those experiencing occasional digestive discomfort—including bloating, gas, or irregular bowel habits—may also benefit from the multi-strain approach, which combines spore-forming strains with traditional Lactobacillus and Bifidobacterium species for broad-spectrum support.

The inclusion of prebiotics (FOS and XOS) makes this blend especially well-suited for those who want to nourish the beneficial bacteria already present in their gut, not just supplement with new organisms. By providing the substrate that probiotics need to flourish, these prebiotics help enhance the overall effectiveness of the formula.

Take one capsule daily with breakfast. For additional intestinal support, take one or two capsules with each meal.

Each bottle provides 120 vegetable capsules. The product may be refrigerated to help maximize shelf-life and potency.