Fireweed angustifolia (aka Ivan tshuaj yej) yog ib qho ntawm cov tshuaj ntsuab thiab noj qab haus huv zoo kawg nkaus hauv peb lub tebchaws. Ivan tshuaj yej tau qaug dej qaug cawv nyob rau hauv Russia txij thaum immemorial. Nws tau siv los ua tshuaj yej haus ntev ua ntej cov tshuaj yej dub tau coj mus rau peb lub latitudes. Cov dej haus tshuaj ntsuab zoo nkauj no tsis nrov rau hnub no, nws cov txiaj ntsig tsis tau txais txiaj ntsig los ntawm cov tiam tam sim no. Qhov no tej zaum yog vim qhov tseeb tias Ivan Chai tsis tau nthuav dav kev lag luam hauv khw. Meanwhile, fireweed yog ntau yam nroj tsuag. Txhua feem ntawm nws yog edible. Koj puas paub tias hauv kev sib piv nrog tshuaj yej ntsuab, Ivan tshuaj yej tsis muaj caffeine, uas tsis zoo rau peb lub cev. Kev siv cov tshuaj tua hluav taws tsis tu ncua yuav pab kom muaj ntshav qab zib (nws muaj cov hlau nplua nuj), insomnia thiab mob taub hau. Brewed tshuaj yej tuaj yeem siv tsis pub dhau 3 hnub, nws yuav tsis poob nws cov khoom. 100 g Ivan tshuaj yej muaj: Hlau - 2,3 mg
Nickel - 1,3 mg
Tooj liab - 2,3 mg
Manganese - 16 mg
Titanium - 1,3 mg
Molybdenum - txog 44 mg
Boron - 6 mg as Well as Potassium, Sodium, Calcium, Magnesium thiab Lithium.