Dear Holobon, Usually a large dose is more than prescribed by your physician or more than the recommended dosage on the bottle. Also like for any medicine, whether herbal or pharmaceutical, if one feels anything disturbing or unusual, one should immediately stop taking it and refer to their doctors. I am taking an American preparation called Solgr and each capsule is 520 mg of which 300 mg ginkgo biloba.
Did you know that all the ginkgo biloba trees in Hiroshima survived the atomic bomb? There is one tree in the courtyard of a school which is visited by people from all over the world. The school and all the surroundings were completely destroyed and the tree is still up with just a burnt scar on its trunk. It is hardly impossible to burn a leaf of this wonderful tree... Ginkgo biloba trees are beautiful, over 40m. high and in autumn their leaves turn a deep yellow. They are used to decorate many cities. Quite a lot of specimen are several hundred years old, like 700 years if I remember well. No wonder since it seems rather difficult to harm them...
Another wonder plant is the sacred lotus. Did you know they managed to germinate a seed 450years old from that plant?
Nature is more than wonderful and deserve all our care and love and all the Reiki we can spare.
love, light and beauties to all
Viviane