Retiva: Energy that lasts all day. Looking for something to give you a little extra boost throughout the day? Are you feeling like you are always low on energy and your workouts are becoming less and less effective? Retiva is your answer.   Product Information Change Font Size Just take two Retiva capsules in the morning with a glass of water and you will have sustained energy and intense calorie burning for the entire day. Adding Retiva to your diet and exercise program will provide you with the results you desire. Order your supply of Retiva, the little pink pill that lasts all day.