Refrigerated Avocado Turned Brown: Can We Eat? - Ostrali.com Yes, it is safe to eat brown avocado. The flesh of the fruit is still perfectly safe to eat. Eating brown avocado will not make you sick. Browning is simply a cosmetic issue and does not affect the safety of the fruit. However, if the avocado is brown or black throughout the fruit, it is most possibly rotten. And you cannot eat it.