Over 70% of your immune system is in your gut

Your immune system is in charge of protecting you from harmful bacteria and viruses, and research shows that good immune health starts in the gut. Our HOWARU® Signature Strains have been scientifically studied to help support a healthy immune system by boosting the number of “good” bacteria in your digestive tract.

If you need help with… Look for these strains…
  • Children’s immune health
  • Prenatal and infant immune development
  • Lactobacillus rhamnosus HN001™

    Consumed for more than 20 years in food and supplements and published in more than 130 scientific publications

  • Children’s immune health
    • Helps keep children healthy (during the harsh winter months)
    • Helps to promote optimal health (and wellness) in children
      Helps maintain respiratory health in children
  • Lactobacillus acidophilus NCFM®

    Studied in more than 340 scientific studies and more than 70 human clinical trials

  • Bifidobacterium lactis Bi-07®

    Studied in more 33 clinical trials and published in more than 90 scientific publications

  • Optimal respiratory health
  • Proactively supporting your immune system (staying healthy)
  • Bifidobacterium lactis Bl-04®

    Consumed in food and supplements for decades and studied in more than 24 human clinical trials

  • Immune function in elderly adults
  • Bifidobacterium lactis HN019™

    Consumed in dairy foods for decades and published in more than 110 scientific publications

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