Align Women's Dual Action Probiotic is a women-specific probiotic combining Align's clinically studied Bifidobacterium 35624 for digestive support with Lactobacillus acidophilus for vaginal microbiome support — addressing both the gut and vaginal microbiome in a single daily capsule. 70 count.Bifidobacterium longum 35624 (Align's proprietary strain, formerly marketed as B. infantis 35624) is one of the most clinically studied probiotic strains for digestive balance — 10+ clinical trials demonstrating efficacy for IBS symptoms, digestive discomfort, and gut microbiome balance. Lactobacillus acidophilus is the primary Lactobacillus species that maintains vaginal microbiome health through lactic acid production — keeping vaginal pH low and providing colonisation resistance against pathogens causing bacterial vaginosis and yeast infections. Together the dual formulation addresses the two most common microbiome concerns in women simultaneously. #1 gastroenterologist recommended. Align is the #1 gastroenterologist-recommended probiotic brand — featuring the clinically studied Bifidobacterium longum 35624 (formerly B. infantis) in a precisely formulated supplement for digestive balance. Available at Beauty Riche with same-day shipping.