Ginkgo Biloba

Ginkgo biloba is one of the world's oldest living tree species and has a long history of use in traditional herbal medicine. Modern supplements generally use extracts from the ginkgo leaf, which contains naturally occurring flavonoids and terpene compounds including ginkgolides.

Ginkgo is most commonly included in formulas for cognitive function, mental clarity and healthy circulation.

Ginkgo and Brain Function

The brain depends on a continuous supply of oxygen and nutrients delivered through the circulation.

Ginkgo has been studied extensively for its potential effects on cognitive function, memory and mental performance. Its plant compounds have antioxidant activity and may also influence blood flow and cellular signalling within the nervous system.

Research results vary considerably depending on the extract, dose and population being studied. Ginkgo has not been shown to prevent dementia, and evidence for improving cognitive performance in healthy adults remains mixed.

Its most appropriate role is therefore as supportive nutrition within a wider approach to brain health that includes regular exercise, sufficient sleep, cardiovascular health, good nutrition and continued mental activity.

Mental Clarity and Focus

Ginkgo is frequently used during periods of high cognitive demand, including study, demanding work or healthy ageing.

Its association with mental performance comes partly from its traditional use and partly from research investigating cerebral circulation and neurological function.

Ginkgo does not act as a conventional stimulant and does not provide the immediate alertness associated with caffeine. Its use is more closely associated with supporting normal cognitive and circulatory function over time.

Circulation and Blood Flow

Ginkgo is also widely used to support peripheral circulation.

Peripheral circulation refers to blood flow through the smaller vessels supplying areas such as the hands and feet. These extremities can feel particularly cold during colder weather or periods of inactivity as the body regulates blood flow and temperature.

Compounds within ginkgo have been studied for their effects on vascular function, platelet activity and blood flow, making the herb a common ingredient in circulation-focused formulas.

Regular movement, cardiovascular exercise, avoiding smoking and maintaining healthy blood pressure remain central to long-term circulatory health.

Flavonoids and Ginkgolides

Ginkgo leaf contains several groups of biologically active plant compounds.

Flavonoids provide antioxidant activity that helps protect cells against oxidative stress, while terpene lactones such as ginkgolides and bilobalide contribute to ginkgo's characteristic botanical profile.

The concentration of these compounds can vary considerably between ordinary leaf powder and standardised extracts, making the type and quality of the supplement important when comparing products.

Using Ginkgo Safely

Ginkgo can affect platelet activity and may increase bleeding risk in some circumstances.

People taking anticoagulant or antiplatelet medication should seek professional advice before using concentrated ginkgo supplements. Ginkgo should also be discontinued before surgery according to the directions of the product or healthcare professional.

Pregnant or breastfeeding women and people taking regular prescription medication should discuss ginkgo use with a qualified healthcare professional.

Ginkgo in O2B Products

At O2B Healthy, ginkgo is available in O2B Ginkgo as a high-strength standalone extract for cognitive and circulatory support. It is also included in O2B Circulation+ alongside garlic, hawthorn, ginger, cayenne and vitamin C to support healthy blood flow and cardiovascular function, and in O2B NRG-FX as part of a broader formula supporting mental focus, physical energy, stamina and healthy circulation.