Debbie Zimmerman, PhytoFit LLC Nutrition, Health & Wellness Coaching and Consulting. Whole Food, Plant-Based Nutrition, Diabetes Management, Heart Disease Management, and More! Teach people how the power of a healthy lifestyle and whole-food, plant-based nutrition can lead to optimal wellbeing. Debbie Zimmerman’s passion for a healthy lifestyle began at an early age when her grandparents were diagnosed with diabetes, cardiovascular disease, and cancer. After seeing the devastation that these diseases can wreak, Debbie vowed at the age of 14 to live a life of prevention. Her love and concern for her family, along with the fear that she too may be destined to experience serious health consequences, further ignited her commitment to a healthy lifestyle and to helping others.