Practitioner-formulated probiotic supplements for restoring microbial balance across the body's microbiomes. Browse single-strain and multi-strain probiotics, including Lactobacillus rhamnosus GG, Bifidobacterium, Saccharomyces boulardii, and patented strains like Weissella cibaria oraCMU™. Each product is selected by our microbiome specialists to address specific conditions — from post-antibiotic recovery and IBS to acne, eczema and oral health. All formulas are practitioner-grade and chosen for clinical-strength CFU counts and strain specificity.