Vitamina de banana is a common Brazilian breakfast drink made by blending banana with milk, and the version with amendoim adds peanut for extra richness. Online, the full Portuguese phrase has been clipped and shared as a standalone meme sound, detached from any single confirmed source. Its appeal comes from how musical and unexpected the words sound to listeners who do not speak Portuguese, as well as the wholesome contrast with edgier meme clips. It continues to circulate in short edits, chats and soundboards as a cheerful non sequitur.