Evidence-Based Benefits
- Cerebral blood flow — ginkgo's terpene lactones (ginkgolides) inhibit platelet-activating factor (PAF), improving microcirculation in the brain and periphery
- Cognitive function in elderly — a 2014 meta-analysis of 21 trials (n=2,608) found EGb 761 at 240mg/day significantly improved cognition and daily function in patients with mild cognitive impairment and dementia
- Antioxidant neuroprotection — flavonoid glycosides scavenge free radicals and protect neuronal mitochondria from oxidative damage, reducing age-related neuronal loss
- Tinnitus relief — several European trials show 120-240mg EGb 761 daily reduces tinnitus severity, though results are mixed across studies
- Peripheral circulation — ginkgo improves blood flow to extremities, benefiting conditions like Raynaud's syndrome and intermittent claudication