From the fines of bull kelp harvested off the shores of Tasmania, Australia. Full of minerals such as copper, iodine, iron etc. Horses and cows are often seen chewing wood or posts looking for minerals missing in their diet..feeding seaweed eliminates this problem. Prime role is activating the thyroid gland which is responsible for hormone release. Some overweight ponies and horses suffer hypothyroidism which is a slow activating throid gland responsible for obesity. Seaweed is a great benefit to healthy hoof growth and strength.