Key Points About Ginkgo Biloba

Key Points About Ginkgo Biloba

Efficacy

Alzheimer's disease: effective
Cerebrovascular disease: modest positive effects
Dementia: modest positive effects
Memory enhancement: ineffective in adults without dementia
Intermittent claudication: modest positive effects
Tinnitus: modest positive effects

Adverse effects

Rare: nausea, vomiting, diarrhea, headaches, effects dizziness, palpitations, restlessness, weakness, skin rash

Interactions

Warfarin (Coumadin), aspirin, antiplatelet agents, herbal medications such as feverfew, garlic, ginseng, dong quai, red clover, and other natural coumarins

Dosage

120 to 240 mg per day, in 2 to 3 doses

Cost

$15 to $20 per month, depending on brand, for a dosage of 120 mg per day

Bottom line
Safe herbal medication; may be effective for treatment of symptoms of Alzheimer's disease, intermittent claudication, and tinnitus