Established 1971 Certified Gluten-Free An Excellent Natural Source of Iodine Supports Thyroid Health Dietary Supplement Certified B Corporation — Our Pledge of Integrity — Authenticity Cleanliness Freshness Consistency Accuracy Kelp is a type of seaweed found in the ocean. Known as a green superfood, kelp is an excellent natural source of iodine. Iodine is known for helping to support healthy thyroid function. YES Certified Gluten-Free by GFCO.org NO Yeast, Corn or Wheat YES Recyclable Packaging NO Soy, Milk, Salt or Sugar YES Manufacturing Supports Wind Power NO Preservatives NO Artificial Colors, Flavors, or Sweeteners NO GMOs