Voacanga africana | voacanga africana effects | voacanga africana benefits | voacanga africana supplement | voacanga africana extract voacanga africana seeds use. The bark of the African tree Voacanga Africana contains the psychoactive alkaloids voacangine and voccamine. These substances can cause hallucinations and work as an aphrodisiac. They also contain stimulating effects: these substances increase your heart rate, [...]