岩藻糖醇又称L-岩藻糖醇，源自岩藻多糖，是北大西洋中一种称为（英文）的海藻中发现的糖醇，亦可由岩藻糖还原得到。

Fucitol, also known as L-fucitol, 6-deoxy-L-galactitol, and (2R,3S,4R,5S)-hexane-1,2,3,4,5-pentol, is a sugar alcohol derived from fucoidin which is found in the North Atlantic seaweed Fucus vesiculosus or by the reduction of fucose.