Hi Sharmin,
That's good news! I think more importantly is what you have observed in the way your son looks. The change in skin tone is significant.
As I said, if IP6 is effective in aiding chelation, it may not be readily measured by ferritin tests. However, its ability to protect cells from iron oxidation and the damaged caused by iron radicals, may prove to be of major interests to thals. This damage is the reason why organs fail and if this can be inhibited in any way, it could mean years added to a thal's life. Research involving the use of high doses of IP6 in thals should take place, along with monitoring of liver and heart iron, and also heart function.