Lupulin powder is a concentrated brewing product created by separating the potent yellow glands (lupulin) from the vegetative material of a hop cone. It is primarily used to provide intense hop flavor and aroma without the "grassy" or astringent off-flavors associated with large amounts of traditional leaf hops or pellets. Where to Buy Lupulin Powder

You can find lupulin powder and its pelletized equivalents (often sold under brand names like or LUPOMAX ) at various homebrew and commercial suppliers. What Is Lupulin and Why Is It in Your Beer? - Hop Culture