With innovative and science-based probiotic products that consumers trust, Jarrow Formulas has once again been recognized as the #1 probiotic brand for consumers, according to Consumer Lab's Survey of Supplement Users for 2021.† Jarrow Probiotics contain high-quality, clinically documented strains that have been developed through years of research and innovation for effectiveness.* Jarrow Probiotics list strain identifications in the supplement facts panel of every formulation for transparency to ensure consumers that our probiotics have been validated by science.*