In the Kansai region, there is a custom of eating an octopus on hange (45 days into geango, a 90 days summer seclusion), but it is said that this is to supplement taurine and to prevent summer heat fatigue.
関西地方には、半夏にタコを食べる習慣があるが、これはタウリンを補給して夏バテを防ぐためといわれる。