STUDIO CITY (CBSLA.com) —  Herbal pharmacist David Foreman, RPh, appeared on KCAL9 News on Saturday morning to discuss ways to prepare for flu season.

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In addition to getting the flu shot, Foreman recommends the following supplements that he says will boast your immune system in three days.

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They include Japanese green tea, AHCC and probiotics.

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For more information, visit the Herbal Pharmacist online.