Can Quercetin Help Treat Herpes Infections?

Quercetin may help treat genital herpes.

In the lab, studies have demonstrated quercetin’s antiviral effect against both herpes simplex virus type 1 (HSV-1) and 2 (HSV-2). Quercetin extracted from apples inhibited both HSV-1 and HSV-2 replication by greater than 50%.75

One doctor recommends taking 500 mg of quercetin three times a day as a treatment for shingles (herpes zoster), an often painful condition caused by reactivation of dormant varicella-zoster—the same virus that causes chicken pox.76

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