Written by Kathryn Jost on December 4, 2012. Avocados are packed with nutrition. They are high in vitamin K, fiber, potassium, folic acid, vitamin B6, vitamin C, and copper. They also contain oleic acid, a monounsaturated fat that may help lower cholesterol. avocados, B6, copper, fiber, folic acid, vit c, vit K Previous Next