If you are sluggish, lethargic or depressed while taking iodine, the most likely culprit is bromide rushing into the bloodstream. Many of us have had this.
He based it on what the US Army used when the Gulf War soldiers reacted to a bromide drug. The chloride in the salt moves the bromide out of the bloodstream and quickly into the urine.
For absorption issues, consider the full Iodine Protocol: