We love this stuff. It taste good and also is loaded with cold fighting stuff.
Mix together: 1/2 cup dried yarrow, 1/2 cup dried thyme, 1/2 cup chamomile, 1/4 cup peppermint. Boil a gallon of water and steep with herbs for 20 mins. Strain out herbs and keep simmering on stove. Drink tons, sweeten with honey and add in a little lemon if desired.
The yarrow is loaded with cold fighting properties, the thyme helps rid your body of mucus. The others help make it taste good!