Ginkgo helps regulate the tone and elasticity of blood vessels, making them stronger and less susceptible to degenerative disease. Excellent cerebrovascular tonic for older animals. Helps increase blood flow in capillary-rich tissues of the brain which means that the brain is better fed and oxygenated. Gingko may even be beneficial in treating degenerative age-related, chronic depression or abnormal behavior. If the brain is not getting the blood it needs, mood and behaviour can be affected. Ginkgo also has following actions - antioxidant, anti-allergenic, anti-inflammatory, anti-asthmatic, anti-coagulant, dilates blood vessels, circulatory stimulant and tonic. An excellent herb for older horses or horses that are returning to training after a spell.