Take three and pay for only two with coupon TRIPLEEN Buy 3: 50% off the 3rd with TRIPLEEN50 Ursula Summ is a renowned German author specializing in non-fiction works. Her primary focus centers on nutrition, metabolism, and health. She is world-renowned for her fundamental work on the food-combining diet, Trennkost. Throughout her prolific career, she has published a total of 44 books. Born in Hofheim am Taunus, she has dedicated her career to promoting healthy eating habits. 
