Mekabu is the ruffled, flowering sprout located at the bast of the sea vegetable, Wakame Undaria pinnatifida just above the root. In Wakame, most of the Fucoidan is found in the Mekabu. One of the uniqueness of Mekabu Fucoidan is that it contains more than 34% of sulfated groups. Areas like Tasmania in Australia and Patagonia in Argentina are well-known for very clean oceans. They have plenty of unpolluted natural Wakame, which makes the areas possible to be one of the most collected Mekabu Fucoidan in the world. According to some studies from Japan, Mekabu has been shown to be more effective in suppressing cancer Angiogenesis than other Fucoidan extracts.