Users go bananas for top strain Ultra Banana. This delicious cross of MK Ultra and Banana Kush is a strong, sleep-inducing indica. MK Ultra genetics including OG Kush and G13 are amped way up by the flavorful elements of Banana Kush. The resulting combination is sedating, relaxing and introspecting. A great late-night strain, epsecially for those suffering from anxiety or restlessness.