The people on this forum have disclosed everything that is known about iodine. This is an investigative group even to the point of mining every little historical detail from long out-of-print documents.
BUT, you have to be willing to read the FAQ and old messages because, the moderators have spent tens of thousands of hours generously repeating the same information. Essentially, the moderators have been "on call" for years helping people. Please help them help you by going through the FAQ or doing a search at the top of the page.
To address your quesion, my doctor puts 2% Lugol's in his 11 year-old daughter's orange juice without her tasting it. Also, Lugol'sIodine is absorbed very efficiently through the skin. Younger childeren might consider it a game to paint a smiley face on their tummies before bed.