“It’s like a magnet for oxygen,” says Highsmith, 33, who is 6'2" and bean-thin. He hands me a leftover glass vial of Oxycyte from the fridge, half-filled with the white fluid whose watery consistency reminds me of soymilk. It doesn’t look like much, but when combined with supplemental oxygen, the amount of Oxycyte in a jar the size of an aspirin bottle can carry as much oxygen as the four liters of blood typically pumping through a person’s body.
How much does it costs and when it will out of trials is another question, though.
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