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Ginkgo Biloba

Extracted from one of the oldest trees on Earth, ginkgo has been used in Chinese medicine for millennia — modern research focuses on its ability to support circulation and brain function.

Benefits

  • +Improves blood flow, especially to the brain
  • +May support memory and cognitive function, especially in aging
  • +Antioxidant protection for blood vessels and neurons
  • +May help with age-related cognitive decline
  • +Traditional support for tinnitus (mixed evidence but commonly used)

Dosage & Cost

Range120–240 mg/day (standardized to 24% ginkgolides)
TimingSplit into 2 doses, with meals
Daily cost0.10–0.35

EGb 761® is the most studied standardized extract. Avoid raw ginkgo nuts — they contain a toxic compound (ginkgotoxin). Stick to standardized supplements.

Side Effects

  • !Can thin the blood — important if you're on blood thinners or before surgery
  • !May cause headaches, nausea, or dizziness
  • !Rare: allergic reactions (especially to the fruit shell — avoid raw ginkgo nuts)
  • !Bleeding risk increases with high doses or combined with anticoagulants

Food Sources

  • Ginkgo biloba leaves (the extract source)
  • Ginkgo nuts (eaten in small amounts in Asian cuisine — but raw ones are mildly toxic, cook them first)
  • Supplement is the safe and practical form

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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.