The most important part of weight loss is a commitment to maintaining a healthy lifestyle. Yoga will definitely help you burn calories, tone your muscles, and improve your posture. Incorporating yoga into your life will cause you to want to eat and live better. Yoga is about healthy living, which includes exercising, healthy eating, getting regular sleep and relaxation. If you plan to make yoga your primary form of exercise, you must do a vigorous 90-minute yoga class at least three times a week.