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Ginkgo biloba — Medicinal Benefits & Contraindications
Overview
Ginkgo biloba is one of the oldest living tree species. The leaves are used medicinally, most commonly to support circulation, brain function, and antioxidant protection. Ginkgo has a long history in traditional medicine and is also one of the most researched botanical extracts in modern herbalism.
Primary Medicinal Benefits
1. Cognitive & Brain Support
Supports memory, focus, and mental clarity
Traditionally used to help with age-related cognitive decline
May support attention and information processing speed
Often used during periods of mental fatigue or brain fog
2. Circulatory Support
Promotes healthy blood flow, particularly to the brain and extremities
Traditionally used for cold hands and feet associated with poor circulation
Supports vascular tone and capillary integrity
3. Antioxidant Activity
Rich in flavonoids and terpenoids that help neutralize free radicals
Supports cellular protection from oxidative stress
May contribute to overall longevity and tissue health
4. Nervous System Support
May help support balance between stress and mental alertness
Traditionally used to support nerve health and sensory function
5. Eye & Ear Health (Traditional Use)
Historically used to support vision and eye circulation
Commonly included in herbal approaches for ringing in the ears (tinnitus), especially when circulation-related
6. Mood & Emotional Well-Being
May indirectly support mood by improving cerebral circulation
Sometimes used as part of herbal protocols for mental fatigue or low motivation
Active Compounds
Flavonoids: Antioxidant and vascular-supportive effects
Terpene lactones (ginkgolides & bilobalide): Support circulation and platelet balance
Proanthocyanidins: Contribute to vascular and antioxidant activity
Contraindications & Cautions
Medication Interactions
May increase bleeding risk when combined with:
Blood thinners (e.g., warfarin)
Antiplatelet medications (e.g., aspirin, clopidogrel)
NSAIDs (e.g., ibuprofen, naproxen)
Use caution when combined with antidepressants or anticonvulsants
Medical Conditions
Not recommended for individuals with bleeding disorders
Use caution with seizure disorders
Avoid before surgery or dental procedures (typically discontinue 1–2 weeks prior)
Pregnancy & Breastfeeding
Not recommended during pregnancy or breastfeeding due to insufficient safety data
Sensitivities & Side Effects
May cause mild side effects in some individuals, including:
Headache
Dizziness
Digestive upset
Allergic reactions are rare but possible