Magnesium threonate
Uses itToolkit lists 145 mg magnesium threonate (or 200 mg magnesium bisglycinate) 30-60 min before bed
Part of the pre-sleep supplement stack Huberman says he takes; his Sleep Toolkit newsletter lists it with a stated dose.
“I'm taking Mag Threonate, apigenin, theanine.”Andrew Huberman
Source: Sleep Toolkit: Tools for Optimizing Sleep & Sleep-Wake Timing (podcast, 8 Aug 2022)