When eaten, the sliced banana heals two hitpoints; the same amount as a whole banana. Sliced bananas are only used for the quest Tai Bwo Wannai Trio, wherein players are required to slice a banana before attempting to add it to a bottle of Karamja rum.
- An abyssal whip can be also be used in lieu of a knife when slicing bananas despite having no apparent blade.
- Although bladed weapons can be used to slice bananas, they cannot be used to slice other fruits or food items. This is likely an oversight by the developers.
- Although the examine text implies that some of the banana was lost when slicing it, the amount of healing remains unchanged.
- Originally, there would be a small pause between eating the sliced banana and recovering hitpoints. This was corrected in a later update.