The Ginkgo tree is native to China & is the oldest living tree species known. Ginkgoforce® is an extract of fresh Ginkgo biloba leaves. Ginkgoforce® may be used by adults (over 18 years of age) & the elderly. Dosage: Take 1 tablet twice daily after food. The dose can be increased to 2 tablets twice daily if necessary. Not for use in children or those under 18. Ingredients: Ginkgoforce® Ginkgo tablets contain the extract of Ginkgo biloba obtained from freshly harvested leaves. Our Ginkgo leaves are collected from cultivated trees, grown in 2 to 3 metre high hedges. 1 tablet contains 90 mg of extract (as dry extract) from Ginkgo biloba L. fresh leaf (3-5:1). Extraction solvent: ethanol 60% m/m. The other ingredients used for the tablet are microcrystalline cellulose, soya polysaccharide & magnesium stearate (vegetable source). This product contains soya polysaccharide.