Avocado is one of the most unique fruits. Here are 6 of its surprising health benefits. 1. Avocado is highly nutritious, rich in vitamin K, folate and vitamin C. 2. Avocados have more potassium than bananas, offering 14% of the recommended daily allowance. 3. 77% of an avocado's calories come from heart-healthy monounsaturated fatty acids. 4. Avocados are loaded with fiber, with a 3.5-ounce serving contains 27% of the recommended daily allowance. 5. Avocados can lower LDL cholesterol by up to 22%. 6. The green fleshy fruits are also full of lutein and zeaxanthin, powerful antioxidants that protect your eyes.