As far as I know, Mg Threonate 30-60min prior to sleep or Mg Bisglycinate are interchangea

Well SupportedApproximately 45% of the US population has inadequate magnesium intake.

Well SupportedAverage magnesium intake in the US falls below the Recommended Dietary Allowance, with women consuming around 230 mg/day and men around 320 mg/day.

Well SupportedMagnesium acts as a co-factor in at least 300 enzymatic systems and is crucial for the transport of potassium and calcium across cell membranes.

Partially SupportedMagnesium L-threonate and Magnesium bisglycinate are interchangeable for sleep benefits when taken 30-60 minutes before sleep.