AprèsFlex® 5-Day Joint Support is one of the world’s best-selling joint health ingredients – with studies that demonstrate efficacy starting at 5 days – with a low, 100 mg dose. AprèsFlex® has been the subject of extensive pre-clinical and clinical studies to understand its mechanism of action and its efficacy in joint comfort and mobility. People have turned to AprèsFlex® more than a billion times as a drug-free approach to joint comfort. They trust the science, the quality and the experience.