GDI offers an innovative approach to health and wellness, combining martial arts training with holistic nutrition. Our classes provide an opportunity to learn self-defense skills, while also teaching how to grow and prepare your own healthy foods. We are conveniently located in Lowell, MA, with our own dojo and snack shop. However, we can also come to you, providing in-home training and nutrition services. At GDI, we believe that everyone should have access to the tools they need to lead a healthy and active lifestyle. We strive to provide a supportive and inspiring environment, where our students can learn and grow.