Magnesium L-threonate
Uses itAttia named magnesium L-threonate (along with magnesium oxide) among the supplements he regularly uses around sleep.
“I'm a fan of glycine, ashwagandha, magnesium L-threonate, and straight magnesium oxide.”Peter Attia
Source: How Sleep, Diet, Exercise, and Mental Health Fit a Longevity Routine (podcast, 27 Dec 2023)