Check out this recipe from "The Balanced Plate" cookbook as posted by Healthnotes
http://www.vitaminshoppe.com/content/en/healthguide/hncontent.jsp?submit=Health%20Info%20Search&org=VSI&ContentID=4806007&category=Recipe&title=Flu%2DBuster%20Tonic&type=
"This homemade version of expensive tincture formulas sold in natural food stores has quite a kick! It stimulates circulation and really stands up to an assault on the immune system."
Preparation facts
Yield: 8 servings
Ingredients
1/2 cup apple cider vinegar
1-2 cloves garlic (optional)
1/4 cup finely shredded ginger
2 tsp wasabi powder, or to taste
1 tsp cayenne pepper, or to taste
2-4 Tbs raw honey

Directions
In a blender, combine the vinegar, garlic (if desired), and ginger and blend until smooth. Pour through a fine strainer and press with the back of a spoon to extract as much juice as possible. Discard pulp.
Whisk in the wasabi, cayenne, and honey.
Store in a glass jar in the refrigerator. Serve 2 tablespoons at a time on an empty stomach. Add to 1 cup hot water for a warming tonic.