Frankinsence (Lubaan) - remedy of the Sunnah
Lubaan is anti-viral with outstanding qualities, functions and indications.
Chew a resin like chewing gum but mind you don't break your teeth or place piece of resin in water, leave overnight, stir and drink in the morning on empty Stomach.
Omani is renowned to be the best as well in the world as Ethiopian and Sudanese.
Medicine of the Prophet by Ibn Qayyim 66.