PROPER NAME:	Ginkgo Biloba
COMMON NAMES:	EGB761, GBE, GBX, Rocan, Tebonin, Ginkogink
PARTS USED:	Fan shaped leaves of the ginkgo biloba tree. Extract is obtained by drying and milling the leaves, then removing the active ingredients in a mixture of acetone and water.
FORM:	Tablet, capsule, soft gel, tincture, powder, or liquid.
COMMON USES:	Cerebrovascular disease and peripheral vascular insufficiency resulting in short term memory loss, dizziness, tinnitus, intermittent claudation, and dementia. In China, used in asthma, cancer, impaired hearing, lung weakness and congestion, venereal disease, increase sexual energy, and to promote longevity.
ACTION:	Studies have shown that gingko extract produces arterial and vasoactive changes that increase tissue perfusion and cerebral blood flow. May also help improve circulation to the extremities in those with Renaud's disease. Increases blood flow to eyes and ears. May be of value in treating macular degeneration or diabetes related eye disease. Shows a beneficial effect on both circulatory and central nervous systems. Increases blood flow to brain, arms, and legs by regulating tone and elasticity of blood vessels. It also has blood-thinning properties and therefore reduces risk of blood clots. Thought to have anti-oxidant properties, also.
DOSAGE:	Must use standardized extract (EGB761) 24% flavonol heterosides (22-27%) 6% terpene lactones (5 - 7 %) 7% Proanthocyanidens (6 - 8%) Dementia: 120 - 240mg/day p.o. divided BID or TID for minimum of 8 weeks Vascular or Peripheral arterial occlusive disease: 120 - 160mg/day p.o. divided BID or TID for minimum of 6 weeks Tinnitus or Vertigo: 120 - 160mg/day p.o. divided BID or TID for no more than 6 - 8 weeks *Can be taken with or without food. Usually takes 6 - 8 weeks before positive effects are seen.
SIDE EFFECTS:	GI upset, diarrhea, flatulence, nausea, vomiting, headache during first day or two of use, dermal sensitivity, or irritability. Reports of seizures in children and bleeding complications. Avoid use in children and pregnancy. Potential drug interaction may exist as ginkgo contains bioflavonoids that possess anti-platelet activity which may interfere with anti-coagulant medication. Patients should watch for unusual bleeding or bruising. If applied externally, may cause skin irritation or blistering. Results may not be seen for 6 - 8 weeks.

Gingko References:
Palmer, D. (1999). The healing powers of vitamins, minerals and herbs. USA:Readers Digest Association, Inc. 298-299.

Springnet. (1999). Review, critiques and guidelines for the use of herbs and homeopathy.
(On-line) http://www.springnet.com The Nurse practitioner. 4, 1-15.

Disclaimer:
This article is intended to provide basic information only. It is not a recommendation for use or endorsement of any product listed, by the Southeastern Michigan Dietetic Association. Please consult your physician or a health professional before taking any medications or supplements.

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