HOWARU® Bl-04® HOWARU® Bl-04® Bifidobacterium lactis Bl-04® Image credits: © IFF, Finland, 2021 (FESEM imaging VTT) HOWARU® Bifidobacterium lactis Bl-04®, a human isolate long considered safe and suitable for human consumption, is well known for its excellent stability. Bl-04® has been thriving in a variety of foods and supplements for decades, and it has also been shown to survive passage through the human intestine.¹,² Bl-04® studies suggest it mechanistically modulates the immune system, and clinical data supports the use of this strain for immune health.³,⁴ Product Information: ~66 preclinical studies ~49 clinical publications Health Benefits: BeautyDigestiveImmune Bl-04®BLENDS Learn more about IFF Health Sciences’ Bl-04® blends. HOWARU® GI Complete HOWARU® Protect Adult HOWARU® Restore Bl-04® CLINICAL STUDIES & PUBLICATIONS With more than 49 clinical trial publications, Bl-04® has also been studied in combination with other strains, not only in HOWARU® Protect Adult for immune support, but also as part of the HOWARU® Restore blend for digestive health.⁵With more than 49 clinical trial publications, Bl-04® has also been studied in combination with other strains, not only in HOWARU® Protect Adult for immune support, but also as part of the HOWARU® Restore blend for digestive health.⁵ Health Benefit Areas Each strain’s health benefits are supported by recommended daily doses and peer-reviewed clinical studies. Click on a Health Benefit to see more studies and learn more. Digestive Health Supporting Daily Dose: 17B (equal parts) 2B CFU Bl-04® Study Reference: Ouwehand AC, et al. Vaccine. 2014;32(4):458-463. Supporting Daily Dose: 10B CFU Total Bi-07®, Bl-04®, NCFM®, Lpc-37® Study Reference: van Zanten G, et al. Microorganisms. 2024; 12(4),796. LEARN MORE Immune Health Supporting Daily Dose: 2B CFU Bl-04® Study Reference: West N, et al. Clinical Nutrition. 2014;33(4):581-587. Turner RB, et al. Benef Microbes. 2017;8(2):207-215. Supporting Daily Dose: 1B CFU NCFM®, 3B CFU Bl-04®, 1 g FOS Study Reference: Bergmann K, et al. World Allergy Organ J. 2021;14(1):100494. LEARN MORE Beauty Supporting Daily Dose: 1.75B CFU Bl-04® Study Reference: Huuskonen L, et al. Dermato. 2022;2(2):30-52. LEARN MORE How Can We Help? We’d love to talk to you about how our microbiome and bioscience expertise can help you develop, manufacture and deliver solutions that enable people at all life stages to live healthier and happier lives. Contact Us Subscribe Follow Us