Natures Bounty Ultra Strength Probiotic 10 Capsules is used for supporting digestive health, immune function and upper respiratory wellness. It is formulated with a proprietary blend of 10 unique probiotic strains, including Lactobacillus plantarum 299v, Lactobacillus paracasei DSM 8700:2, Lactobacillus acidophilus La-14, Bifidobacterium lactis Bl-04 and others, delivering 20 billion live cultures per capsule to help maintain a balanced gut microbiome. This ultra-strength probiotic supports healthy digestion, nutrient absorption and immune system function.