Swanson Herbal Extract Memory Complex is a dietary supplement that contains extracts of ginkgo biloba, vinpocentine and huperzine, known for their traditional use in supporting cognitive function. Properties Contains extracts traditionally valued for supporting blood circulation in the brain. These herbs are also known for their potential antioxidant properties, which can help protect brain cells. Recommended dosage As a dietary supplement, take one capsule daily with food and water.