Brown Kratom strain made from fermented red vein powder. Fermentation is the natural process during which the leaves' alkaloid content gets shaken up a little. In addition to this, the leaf characteristics such as flavor, aroma, and of course color are developed during this process. I am sure you know steak. There are raw, half-done, and well-done. Brown strains are well-done fermented strains while bentuangie is half done Please don't use this strain raw, this strain works as a mixture