To remove radioactive cesium from your body you can use apple pectin (which is extremely cheap) like Prof. Yury Bandazhevsky successfully did with children that were contaminated from Chernobyl:
In addition to apple pectin spirulina, chlorella, green smoothies and steam distilled water will work wonders to detox your body from radiation.
Here is more what you can do to protect and detox yourself:
But in case you want to spend some money on a new fancy & probably expensive product then maybe this is for you …
– Radioactive cesium-137 in foods can be blocked during digestion: Health Ranger research breakthrough (Natural News, Feb 7, 2014)