Flu-ToneFlu Tone is a homeopathic combination formula for flu like symptoms. It includes Anas barbariae, the worlds most widely used homeopathic ingredient, which is helpful for symptoms such as fever and muscle aches. For flu like symptoms such as aches, fever, chills, nausea, cough, headache, fatigue, loss of appetite, and diarrhea. Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.