NOW Kelp (250 vcaps)NOW Kelp 250 Veggie Capsule(s) NPN : 80068600 Kelp is a large, leafy seaweed belonging to the brown algae family that grows in forests in the colder waters of the worlds oceans. Kelp has been used for centuries as an important nutritious staple ingredient in Chinese, Japanese, and Korean cuisines. It is also an excellent source of iodine, which has been shown to be essential for healthy thyroid function. DIRECTIONS & USEAdult dosage: Take 1 capsule