(September 3, 2015, 10:37 AM EDT) -- CINCINNATI — At the class certification stage in a lawsuit over the efficacy of a nutritional supplement, the lead plaintiffs need to show only that their theory of liability “is capable of resolution through classwide scientific proof such that common issues predominate,” a Sixth Circuit U.S. Court of Appeals panel majority opined Aug. 20 (Dino Rikos, et al. v. The Procter & Gamble Company, No. 14-4088, 6th Cir.; 2015 U.S. App. LEXIS 14613).

(Opinion available. Document #43-150904-018Z.)

Align, a probiotic nutritional supplement from The Procter &...