Health 12 Proven Health Benefits of Avocado. The avocado is a rather unique fruit. While most fruit consists primarily of carbohydrate, avocado is high in healthy fats. Numerous studies show that it has powerful health benefits. Here are 12 health benefits of avocado that are supported by scientific research. 1. Avocado Is Incredibly Nutritious Vitamin K: 2. They Contain More Potassium Than Bananas Summary Potassium is an important mineral that most people don’t get enough of. Avocados are very high in potassium, which should support healthy blood pressure levels. 3. Avocado Is Loaded With Heart-Healthy Monounsaturated Fatty Acids Avocado is a high-fat food. In fact, 77% of the calories in it are from fat, making it one of the fattiest plant foods in existence. But they don’t just contain any fat. The majority of the fat in avocado is oleic acid — a monounsaturated fatty acid that is also the major component of olive oil and believed to be responsible for some of its health b