He suggests that the flu may be caused by a vitamin D deficiency since “flu season” comes during the winter months when sunlight is scarce. He recommends taking vitamin D supplements of levels up to
Here are the other “secrets” Dr. Mercola uses to keep the flu (and other illnesses) at bay:
- Eat right for your nutritional type, including avoiding sugar
- Eliminate sugar from your diet
- Eat garlic regularly
- Consume a high-quality krill oil daily
- Get adequate sleep
- Address emotional stress
- Wash your hands regularly (but not excessively)
Another useful supplement you could try, should you come down with a case of the flu, is olive leaf extract, which you can find in most any health food store.
Olive leaf extract has been found to be a potent broad-spectrum antiviral agent, active against all viruses tested, including numerous strains of influenza and para-influenza viruses.
Personally, I have found homeopathic Oscillococcinum to be quite effective against flu symptoms, and always keep some in my supplement drawer.