It's also, purportedly, an aphrodisiac. John arches his eyebrows at me. Little does he know that Madagascar's vanilla is considered the most potent on earth, which explains its high demand. The Malagasy were the first to commercially produce it in 1924 and have been perfecting their crops ever since. As a result, these beans have the highest concentration of vanillin, the crystalline component that gives the bean its flavor.