I-Fireweed angustifolia (eyaziwa nangokuthi itiye le-Ivan) ingesinye seziphuzo zendabuko futhi ezinempilo ngendlela emangalisayo ezweni lakithi. Itiye le-Ivan lidakiwe eRussia kusukela kudala. Yayisetshenziswa njengesiphuzo setiye kudala ngaphambi kokuba itiye elimnyama ilethwe ezindaweni zethu. Lesi siphuzo se-herbal esikhazimulayo asithandwa kakhulu kulezi zinsuku, izinzuzo zaso aziziswa isizukulwane sanamuhla. Lokhu mhlawumbe kungenxa yokuthi u-Ivan Chai akadayiswanga kakhulu emakethe. Ngaleso sikhathi, i-fireweed iyisitshalo esisebenza ngezindlela eziningi. Zonke izingxenye zayo ziyadliwa. Ubuwazi ukuthi uma kuqhathaniswa netiye eliluhlaza, itiye le-Ivan aliqukethe i-caffeine, engeyinhle kangako emzimbeni wethu. Ukusetshenziswa njalo kwe-fireweed kuzosiza nge-anemia (icebile ngensimbi), ukuqwasha kanye nekhanda elibuhlungu. Itiye eliphekiwe lingasetshenziswa phakathi kwezinsuku ezi-3, ngeke lilahlekelwe yizinto zalo. I-100 g yetiye le-Ivan liqukethe: Insimbi - 2,3 mg
I-Nickel - 1,3 mg
Ithusi - 2,3 mg
I-Manganese - 16 mg
I-Titanium - 1,3 mg
I-Molybdenum - mayelana ne-44 mg
I-Boron – 6 mg Kanye nePotassium, iSodium, iCalcium, iMagnesium neLithium.