When high-end gym chain Equinox rolled out its $40,000 longevity programme last year, some saw it as an attempt to chart a new (and expensive) path toward healthy living. Others wondered what, exactly, they would be paying for.
The company teamed up with Functional Health, a longevity startup, on Optimize, a series of personalised health programmes which include a range of biotests, personal training sessions, as well as access to a nutritionist and a sleep coach all aimed at…