It’s a page/website I follow on Facebook, and they kicked this out:
http://www.survivalistdaily.com/19-foods-that-naturally-detox-radiation/
This may be useful for development. The page in general is good for that.
i’d hate to imagine the quantity to be ingested for effectively reducing a dangerous dose of radiation.
Ha, i can even picture my char walking from a nuked site, thinking about the trunks full of onions and rice and deploring the absence of iodine pills 
I can see it now. In an attempt to wash the radioactive mud off, you eat some natural remedies.
You’re full! force yourself to eat? Y/N
Y.
You eat your Onions.
Your stomach bursts!
You are in pain!
As a biologist, let me be clear. This is bullshit.
Interesting, thanks for correcting that! I… didn’t even think to investigate further, for some reason.