No, it will enhance your religion. They report that the technique, by increasing energy and intelligence and eliminating stress and fatigue, allows them to better follow the tenets of their religion. The Transcendental Meditation program is a technique, pure and simple. It involves no religion, belief, philosophy, or change in lifestyle. Just as lifting weights is a technique for developing the muscles, the TM program is a technique for relieving stress and developing the mind.
Priests do it, rabbis do it, atheists do it.
But when people think of yoga they usually think of physical exercises involving the stretching, twisting and turning of the body. This is not the TM program. You practice TM sitting comfortably in a chair with your eyes closed. The TM program is unique in that it is practiced effortlessly. The TM program does not involve any concentration, contemplation or visualization.