Ginkgo biloba supplements are made from extractions from the leaves of the Gingko tree. These leaves contain chemicals called flavonoids and terpenoids that feature strong antioxidant properties that may help protect nerves, heart muscles and blood vessels and improve blood flow, as well as improve memory in older adults, the University of Maryland Medical Center reports. Gingko supplements are a top-selling supplement in Europe and the United States.
Uses
The most common use of ginkgo is in the treatment of dementia and Alzheimer's disease. The antioxidants in ginkgo biloba can help improve blood flow to the brain and protect the nerve cells that become damaged in Alzheimer's disease. Supplementation with ginkgo biloba may improve thinking and memory and reduce feelings of depression.
Ginkgo biloba supplements may also help reduce the pain associated with poor circulation in the legs and help stop the progression of serious vision problems, including glaucoma and age-related macular degeneration.
Dosage
Ginkgo biloba is available as capsules, tablets, liquid extracts and dried leaves that are used to make teas. Specific dosage recommendations may vary, but general recommendations are 80 to 240 mg taken up to three times daily. Results generally become apparent in four to six weeks.
Precautions
Ginkgo biloba supplements are generally regarded as safe; however, some people experience side effects from taking ginkgo. Side effects are usually not serious and may include headaches, skin rash, dizziness and gastrointestinal problems. Ginkgo may increase bleeding, so you should talk to your doctor if you are scheduled for surgery or dental procedures. If you have epilepsy or experience seizures, taking gingko is not advised.
If you are allergic to poison ivy, poison oak, mangos or cashews, you should not take ginkgo biloba supplements. Doing so may cause a severe allergic reaction called Stevens-Johnson syndrome.
Considerations
Although herbs have been used as a form of complementary medicine for centuries, the production of herbal supplements is not regulated by the Food and Drug Administration. Because of this, different brands of ginkgo biloba supplements may contain different types and amounts of certain ingredients. You should always discuss any alternative therapy and possible side effects or complications with your health care provider prior to taking any supplements. Ginkgo biloba supplements should not replace proper medical care.
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