Avocado pits are edible although they may not taste very good.. They are quite nutritious, containing potassium, phosphorus and soluble fiber.
Avocado pits have tannins, making them bitter and even mildly toxic. A person would have to eat a lot of pits in order for it to have any real impact. Besides that, the pits have a great deal of nutrition in them, but they are low in magnesium and calcium. The benefits from eating avocado pits are numerous. These include improving heart function, lowering cholesterol and improving the circulation of the blood. They are often used in smoothie recipes.