Yuan Chi Tea EASE FATIGUE IN WAIST, LEGS & FEET. Yuan Chi Tea strengthens the blood and supplements energy, helping to guard against weakness and dizziness. It also works on the lower physical structure; strengthening the back, waist and knees. This is especially important for people who are on their feet all day, as well as martial artists practicing serious stance work, intense kicking or low forms. INGREDIENTS: Ginseng, Rehmannia, Discorea, Cornus, Lycium, Angelica, Eucommia, Glycyrrhiza.