Buckwheat...Say what? Not a grain?

I am looking at recipes for my 21 day detox my doc has ordered to detox my system for good (my thyroid is 4.125 and every indication is pointing at toxins even though I am Lil' Miss Health Nut and eat very clean...I won't be able to have things like tomatoes and peppers because they cause inflammation (I did not know this)...also, I did not know that buckwheat is considered a seed...YES, a seed! I've never used it because of the name (buck"wheat") and I tend to stay away from grains as they make me feel sluggish and cause havoc to my insides. However, am going to look into some recipes...buckwheat, an alternative for grains. NICE!

The doctor also told me to skip the peanuts (peanut butter), but other nuts are just fine...when I questioned why he said because peanuts grow mold and can an adverse reaction in you system....I guess choosy mother's shouldn't choose Jif!

The things you learn every day...

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Buckwheat (Fagopyrum esculentum) is a plant cultivated for its grain-like seeds, and also used as a cover crop. Despite the name, buckwheat is not related to wheat, as it is not a grass; instead, buckwheat is related to sorrel, knotweed and rhubard. The cultivation of buckwheat grain declined sharply in the 20th century with the adoption of nitrogen fertilizer that increased the productivity of other staples. A related species, Fagopyrum tataricum(Tartary buckwheat) is also cultivated as a grain in the Himalayas.
http://en.wikipedia.org/wiki/Buckwheat

Peanuts are particularly susceptible to contamination during growth and storage. Poor storage of peanuts can lead to an infection by the mold fungus, Aspergillus flayus, releasing the toxic and highly carcinogenic substance aflatoxin. The aflatoxin-producing molds exist throughout the peanut growing areas and may produce aflatoxin in peanuts when conditions are favorable to fungal growth.
http://en.wikipedia.org/wiki/Peanut

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The Buckwheat flower and seeds.