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Digestive

In terms of surface area, the gastrointestinal tract comprises one of the largest organs in the body. The roles that it plays are varied and extend well beyond simply moving and digesting food to allow for the absorption of nutrients. In addition to acting as a barrier against the harsh external environment, the digestive system also represents one of the body’s largest immune organs, possessing an intricate lymph network. The gastrointestinal tract houses a highly complex ecosystem that contains trillions of microorganisms. Research continues to uncover new ways in which beneficial bacteria can positively impact health, expanding beyond the confines of the digestive tract to include cardiovascular health, cognition, weight management and more.

Multi-Probiotic®

Use our side-by-side comparison chart to find the right Multi-Probitiotic® for you and your clients.

View the Multi-Probiotic Product® Selection Guide




Learn more about new products offering Digestive Support for Healthy Aging



Gastrointestinal Support Protocol

Developed by Daniel Kalish, D.C.+


Protocol Objectives:
To provide supplemental recommendations to help support the microbiome, maintain integrity of the intestinal lining, and promote GI function and overall digestive health.

View the Gastrointestinal Support Protocol

View the GI Microbiome Support Protocol



+Dr. Kalish is a retained consultant for Douglas Laboratories.

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  1. Multi-Probiotic® 4 Billion
    Multi-Probiotic® 4 Billion
    A multi-strain probiotic 4 Billion CFU with prebiotic
  2. Multi-Probiotic® Sinus Support‡
    Multi-Probiotic® Sinus Support‡
    A unique combination of probiotics, prebiotic, NAC and Quercetin
  3. Multi-Probiotic ® YC-7 ™
    Multi-Probiotic ® YC-7 ™
    A 7 strain probiotic formula with prebiotic for female support
  4. Multi-Probiotic ® 40 Billion
    Multi-Probiotic ® 40 Billion 60's
    A synbiotic blend of 16 potent strains with scFOS prebiotic
  5. Ginger Root Max-V
    Ginger Root Max-V
    Standardized Ginger root
  6. Intestamine ®
    Intestamine ®
    Supports the intestinal structure, function, and mobility in capsule form
  7. Betaine Hydrochloride (250 count)
    Betaine Hydrochloride (250 count)
    Betaine Hydrochloride for support of stomach digestion
  8. Fiber-Plex ™
    Fiber-Plex ™
    Grain-free fiber for bowel regularity
  9. Bio-Dophilus ®
    Bio-Dophilus ®
    Lactobacillus probiotics 2.8 billion in acid-resistant capsule
  10. I.B. Comfort ®
    I.B. Comfort ®
    A special formula for intestinal comfort, balance and regularity
  11. GI Digest
    GI Digest
    A complete vegetarian enzyme formula including gluten and dairy enzymes
  12. Multi-Probiotic ® 15 Billion
    Multi-Probiotic ® 15 Billion
    A multi-strain probiotic 15 Billion with prebiotic
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