Monster Energy Rehab Tea + Orangeade + Energy, Energy Iced Tea, 15.5 Ounce Non-carbonated Tea + Orangeade 25 Calories in a 15.5 oz can. A proprietary energy blend containing electrolytes, quercetin, & coconut water, plus 5% juice. Tea + Orangeade- its a unique creamy orange flavor combined with refreshing iced tea Monster packs a powerful punch but has a smooth easy drinking flavor