L. rhamnosus HN001™ has been consumed for more than 20 years in foods and supplements and documented in more than 100 scientific publications. It was originally selected as a probiotic candidate due to its high tolerance to acidic conditions, and was subsequently shown to survive passage through the human intestine.1-3 HN001™ has been extensively studied across all life stages from early infancy through elderly years, and in pregnant and lactating women. Most notable is its ability to impact the immune system and long-term safety profile in infants and children to support early life immune homeostasis.3-6 Also, when combined with La-14®, HN001™ supports healthy bacterial colonization for women’s health.7