The strongest evidence is for digestive health. Triphala has prebiotic effects, feeding beneficial gut bacteria. Studies show improvement in constipation, bloating, and intestinal transit time. Its mild laxative effect should be used at the recommended dose rather than increased for stronger effect.
Antioxidant capacity is high in all three component fruits, particularly in amalaki which has among the highest vitamin C content of any natural source. Weight management benefits are modest but present in human trials.