The present invention relates to stable, palatable, freeze-dried, fruit-baseddietary supplements. Specifically, the inventions relates to compositions ofAçai fruit and Jucara fruit with high antioxidant capability andcyclooxygenase-inhibitory activity, and their uses. The invention furtherprovides for methods of making stable, palatable, freeze-dried, fruit-baseddietary supplements from Açai fruit and Jucara fruit.