New York Life Extension in Brooklyn New York since 1987. Prof. Gross is a New Your State Certified Dietitian,-Nutritionist (NYS DCN), A CNS and member of the Society for Nutrition Education. We developed the MPAK and Methuselah Grains Multi-Vitamins. Professor Grosss approach to nutrition and wellness is consumer education. So his nutritional guidance will be welcomed by people who understand the need for healthier lives but arent sure how to start. Taking his advice and the basic recommended supplements here will have most people feeling and looking better in less then a month. Based on scientific research, it works and is easy to start.