Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

He is a proponent of magnesium supplementation. Our ability to buffer magnesium with healthy kidneys is very high. He takes 600 to 800 mg per day, alternating between mag sulfate and mag oxide. He also takes calcium carbonate 2 times per week.