Celebrity-Backed Startup Function Health Seeks $2 Billion Valuation

Co-founded by author and RFK Jr. ally Dr. Mark Hyman, Function sells a $499 package of lab tests for longevity.

Function Health was co-founded by health and longevity guru Dr. Mark Hyman.

Photographer: Rodin Eckenroth/Getty Images
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Function Health Inc., a startup that offers regular lab testing for people to track their health over time, is looking to raise a fresh round of funding that would vault its valuation to $2 billion, according to people familiar with the matter.

The startup is seeking at least $200 million, said the people, who asked not to be identified discussing private information. The conversations are still early and the details could change or not materialize, they said.