Chemical preparations for medical purposes; dietary food supplements for medical use; dietary nutritional supplements for medical use; dietary substances for medical use; dietary supplements for medical use; iodine for medical purposes; medicinal herbal preparations for medical purposes; nutritional additives for medical purposes; nutritional preparations for medical use; nutritional supplements for medical use; trace element preparations (medical) for human use; trace element preparations (medical) for use by animals; trace element preparations (non-medical) for human use