Based on the RDA of 150 mcg of iodine per serving/daily limit. Each 4 ounce serving of our Kelp Noodles contains 54.80 mcg of iodine. Gluten free. Fat free. Low carb. Low calorie. Versatile. Easy to prepare. Ready to eat. Neutral taste. New look. Same great noodles. Contains no preservatives. Mineral-rich. www.kelpnoodles.com. Product of USA.