Magnesium Threonate and Magnesium Glycinate supplements are mentioned as forms of magnesium that can cross the blood-brain barrier more readily. The speaker notes that 300-400mg of either supplement taken before bed can aid in falling asleep by promoting the release of GABA, an inhibitory neurotransmitter.
"The speaker mentions Magnesium Threonate or Glycinate, specifically noting the potential sleep-aiding benefits and ability to cross the blood-brain barrier. Listeners may want to purchase these to improve sleep quality, as discussed in the podcast."