Date: Tue, 10 Jan 1995 00:15:44 -0800
Sender: Medicinal and Aromatic Plants discussion list <HERB.TREARN.BITNET>
From: Paul Bergner <bergner.TELEPORT.COM>
Subject: Re: Gingko dosage
> Not sure about the concentration but the leaves are most potent in the fall after they turn yellow according to an herbalist I heard on the radio.
Taking ginkgo leaves straight can give you a whopping headache and an upset stomach. The people who make the fancy semi-pharmacetuical preparations are kind enough to take out most of the substances that cause this.
Editor, Medical Herbalism