Thyro Complex contains thyroxin-free raw thyroid concentrate along with raw adrenal, pituitary and spleen concentrates, which work synergistically to support the endocrine system. Kelp is also included as a rich source of organic iodine. Iodine is included in this formula as it is an integral part of the endocrine system.Dietary Considerations Wheat Free Soy Free Yeast Free Sugar Free Preservative Free Corn Free Free of Artificial Colors/Flavors Suggested Use One capsule twice daily, or more, as directed by a health care professional. Serving Size:1 Capsule Servings Per Container: 90 Amount Per Serving % Daily Value Iodine (from Kelp) 900 mcg 600% Kelp 300 mg Raw Thyroid Concentrate (thyroxin free) 60 mg Raw Adrenal 30 mg Raw Pituitary 10 mg Raw Spleen 10 mg Other Ingredients: gelatin (capsule), rice flour, vegetable lubricant Warnings Pregnant and/or lactating women should consult their physician prior to use. The glandular concentrate in this product is prepared by a special process which does not exceed physiological temperature (37 C). Guaranteed free of chemical pesticides and synthetic hormones. Contains no sugar, yeast, corn, soy, wheat, artificial colors or preservatives. Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing. Keep out of reach of children.