At SXSW 2025, Bryan Johnson, founder of the Don’t Die movement, introduced the concept of 'foodome sequencing,' aiming to test 20% of foods that make up 80% of the American diet for toxins. Johnson, known for his extreme longevity methods, believes that ensuring clean food is crucial for health. He plans to create a public database to hold brands accountable for unsafe practices. His provocative ideas about AI’s role in extending life have sparked debate, with critics arguing against his extreme measures. Johnson remains undeterred, promoting his lifestyle formula and supplement line.