Yoga has become increasingly popular in recent years as more and more people recognize the positive effects it can have on the body and mind. The practice helps reduce stress, improve flexibility and increase overall physical fitness. The spiritual component of yoga, which can contribute to inner peace and serenity, is also an important aspect for many. Because yoga is so popular, there are also a variety of yoga affiliate programs that deal with products related to yoga and meditation. Check out the list below for some of the best affiliate programs in the yoga space.