Natural Health Alternatives for Pets Holistic Blend Seagreens Powder helps to boost activity of the thyroid gland, promotes hair growth and color pigmentation, minimizes shedding, and chewing at the paws. Our Holistic Blend Seagreens provide 12 vitamins, 60 trace minerals, 21 amino acids, digestive enzymes and probiotics. Organic iodine is one of Holistic Blend Seagreens' most effective minerals, needed for the correct functioning of the thyroid gland, which controls the immune, hormone and enzyme systems of the body - and thereby influences the overall health, metabolism, skin and coat. Made from 19 different types of seaweed harvested from the virgin waters of Atlantic Canada. Known to have stimulating and natural healing effects.