Good sources of natural fiber for your diet include pears, apples, oat bran, vegetables and legumes. Eating more fiber helps the body to detoxify in an easy and healthy way. You Might Also Like Spices to add to your foods to increase your absorption of nutrients November 12, 2014 Avocados lower cholesterol and dilate blood vessels December 5, 2014 Legumes are high in fiber April 2, 2015