NAC is like 20 bucks man, well worth it ... Buy it anywhere you like, all I’m saying here is you can treat the flu with Natural stuff (and many of our drugs come from the herbs the pharm companies say don’t have any effect)
You can get N-Acetyl-Cysteine for $13.95 at drugstore.com but you might want to read about it on Wikipedia.
N-Acetyl Cysteine cleaves disulfide bonds by converting them to two sulfhydryl groups. This action results in the breakup of mucoproteins in lung mucus, reducing their chain lengths and thinning the mucus, improving conditions such as bronchitis and flu. Double-blind research has found that N-Acetyl Cysteine supplements improved symptoms and prevented recurrences in people with chronic bronchitis. N-Acetyl Cysteine at a dosage of 1,200 mg per day helps to prevent Influenza infection, reduces the symptoms of existing Influenza infection and reduces the duration of Influenza infections.
N-Acetyl CysteineN-Acetyl Cysteine has been shown to reduce the proliferation of certain cells lining the colon and may reduce the risk of colon cancer in people with recurrent polyps in the colon. Its action as an antioxidant and a glutathione precursor may also contribute to a protective effect against cancer.