FUN FACT: Since antiquity, mountain tea has been considered a remedy for colds, aches, allergies, indigestion, respiratory issues and a boost for your immune system. All these claims proved to be true; an increasing number of researches confirm that mountain tea is packed with flavonoids and antioxidants, and lowers blood pressure as well. Recent studies at the University of Magdeburg argue that not only does Sideritis prevent and treat Alzheimer’s disease, it also forestalls osteoporosis.