- Andrographis




Andrographis is an antiviral and an anti-inflammatory; enhances immune system; reduces nasal stuffiness; soothes sore throat; alleviates symptoms, reduces duration and severity; used for prevention and treatment. Take 0.2-2.0 g of andrographis extract daily, containing 5% of andrographolide, in divided doses, for many weeks.
- Echinacea




Echinacea enhances immune system; fights infection; alleviates symptoms; reduces duration and severity; may be used during the onset of disease. Take echinacea daily, in divided doses, for many weeks, as suggested on the label.
- American ginseng



American ginseng enhances immune system; alleviates symptoms; reduces duration and severity; used for prevention and treatment. Take 1.5-3.0 g of dried American ginseng root daily, in divided doses, for many weeks.
- Asian ginseng



Asian ginseng is an adaptogen; enhances immune system; fights infection; reduces duration and severity; used during the onset of disease and for prevention. Take 0.5-1.5 g of dried Asian ginseng root or 75-225 mg of standardized Asian ginseng root extract containing 5-7% of ginsenosides daily, in divided doses, for many weeks.
- Eucalyptus oil



Eucalyptus oil is an antibacterial; fights infection; reduces nasal stuffiness; reduces duration and severity. Take eucalyptus oil daily, containing 400-600 mg of cineole or 1-5 drops of eucalyptus oil, in divided doses, for many weeks or use it as a lozenge, as suggested on the label. Use this product under the control of an experienced practitioner.
- Probiotics



Probiotics alleviate symptoms; reduce duration and severity; used for prevention and treatment. Take probiotics daily, in divided doses, for many months, as suggested on the label.
- Vitamin C



Vitamin C enhances immune system; alleviates symptoms; reduces duration and severity; used for prevention and treatment. Take 0.5-6.0 g of vitamin C daily, in divided doses, for many months.
- AHCC


AHCC enhances immune system; fights infection; alleviates symptoms. Take 1-3 g of AHCC daily, in divided doses, between meals, for many weeks.
- Astragalus


Astragalus is an adaptogen and an antiviral; enhances immune system; fights infection. Take 10-30 g of dried astragalus root daily, in tea form, in divided doses, for many months.
- Elderberry


Elderberry is a diaphoretic; promotes sweating; contains vitamin C; it is an antiviral; fights infection; enhances immune system; used for treatment. Take 10-15 g of dried elderberry flowers in tea form in divided doses, for many weeks. Take berries as suggested on the label.