- Good for Healthy Thyroid Function, Reducing Dental Plaque, and Skin Health - Made in the USA - One of the many minerals found in this sea kelp powder is iodine. It supports the thyroid, pituitary, and adrenal glands which aid with metabolic health. - Vitamins like A, B, C, and E promote immune health as well as contain minerals like calcium, potassium, and boron. Vitamin B12 also aids with a healthy skin and coat. - The granule texture is the perfect meal topper for your dog!