In the book, author David Brownstein (M.D.) states “Iodine is the most misunderstood nutrient. After 17 years of practicing medicine, I can say that it is impossible to achieve your optimal health if you do not have adequate iodine levels. I have yet to see any item that is more important to promoting health or optimizing the function of the immune system than iodine. Learn what forms of iodine you need and why there is not enough iodine in salt. Find out why iodine deficiency may be the root cause of thyroid problems including hypothyroidism, etc. Discover how to get iodine in your diet and improve your immune system.” Recommended by this book, a traditional lugol’s iodine solution (2%), manufactured by J.Crow Co., is provided for use.  <br>  <br>  <b>In the package, three items are included:</b>  <br> 1) Book "Iodine: Why You Need It, Why You Can't Live Without It" (5th Edition, by David Brownstein);  <br>2) a bottle of Lugol's 2% Iodine solution (manufactured by J.Crow’s);  <br>3) Iodine Dosage Information (bonus item).