Fireweed angustifolia (aka Ivan shayi) yana ɗaya daga cikin al'adun gargajiya da abubuwan sha na ganyayyaki masu ban sha'awa a ƙasarmu. An sha Ivan shayi a Rasha tun da daɗewa. An yi amfani da shi azaman abin shan shayi tun kafin a kawo baƙar shayi a latitudes. Wannan abin sha mai daraja na ganye bai shahara a wannan zamani ba, amfanin sa ba ya jin dadin zamani. Wataƙila wannan ya faru ne saboda gaskiyar cewa Ivan Chai ba a tallata shi sosai a kasuwa. A halin yanzu, fireweed shuka ne mai amfani. Duk sassansa ana iya ci. Shin, kun san cewa idan aka kwatanta da kore shayi, Ivan shayi ba ya ƙunshi maganin kafeyin, wanda ba shi da kyau ga jikinmu. Yin amfani da ciyawa akai-akai zai taimaka tare da anemia (yana da wadata a cikin ƙarfe), rashin barci da ciwon kai. Ana iya amfani da shayi mai shayi a cikin kwanaki 3, ba zai rasa dukiyarsa ba. 100 g Ivan-tea ya ƙunshi: Iron - 2,3 MG
Nickel - 1,3 MG
Copper - 2,3 MG
Manganese - 16 MG
Titanium - 1,3 MG
Molybdenum - kusan 44 MG
Boron - 6 MG da Potassium, Sodium, Calcium, Magnesium da Lithium.