A high-CFU, hypoallergenic* blend of 5 probiotic species, Pro-5 is designed for individuals who need a high degree of support to help build and balance beneficial intestinal microbiota.*

The transient and colonizi...

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Product Review

A high-CFU, hypoallergenic* blend of 5 probiotic species, Pro-5 is designed for individuals who need a high degree of support to help build and balance beneficial intestinal microbiota.*

The transient and colonizing species in this combination have high tolerance to stomach acid and bile, which is important for maintaining viability in the intestinal environment. Pro-5 is an excellent, cost-effective option for supplementation with potent amounts of primary, broadacting resident and colonizing probiotic species complemented by two transient species.*

Clinical effectiveness of probiotic organisms is dependent on many variables. Identification and selection of appropriate, documented probiotic species as well as maintenance of maximum viability throughout all stages of handling is central to expression of the full potential of beneficial gut flora. Klaire Labs probiotic quality assurance commitment includes a rigorous independent testing program that monitors and ensures the identity, viability, and hypoallergenicity of raw materials and finished products.



  • 25 billion CFU blend featuring 5 probiotic species to support GI colonization.*
  • Includes Lactobacillus rhamnosus, Lactobacillus acidophilus, Bifidobacterium bifidum, Streptococcus thermophilus, and Lactobacillus bulgaricus.
  • These transient and colonizing species have high tolerance to stomach acid and bile, which is important for maintaining viability in the intestinal environment.*
  • Hypoallergenic* product free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.
  • Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

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