These mouthwatering mollusks are the classic aphrodisiac. And, there's research to support it: raw oysters are very high in zinc, which raises sperm and testosterone production, thus increasing libido. Like some fish, oysters contain omega-3 fatty acids, considered to increase one's overall well-being and even fight depression. They are also a source of dopamine. No wonder Casanova ate 50 raw oysters every day.

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