A salt lick treat for horses, containing seaweed. This salt lick is based on Winsalt Pure Salt Lick.Seaweed provides a rich source of minerals, trace elements and amino acids, making it the natural choice supplement to help maintain the health and performance of livestock on forage diets. Seaweed proves a rich source of bioavailable minerals, especially iodine, and has traditionally been used in thyroid support. Seaweed is fed to horses and ponies with cresty necks, and can aid normal fat distribution. The dark green colour of the block is for identification purposes.