According to multiple sources, magnesium supplements can be beneficial for those experiencing anxiety and depression. The best forms of magnesium for anxiety and depression are magnesium taurate, magnesium glycinate, magnesium malate, and magnesium threonate. These forms of magnesium have better bioavailability and ability to cross the blood-brain barrier, making them better treatment options for addressing symptoms of anxiety and depression. Magnesium glycinate and taurate have the most research supporting their effects on anxiety and other mental health disorders. However, there is not enough research to determine the best dose of magnesium for mental health conditions. When looking for the best magnesium supplement for anxiety, its important to consider the type of magnesium, dosage, quality, additional ingredients, and form. It is recommended to speak with a doctor before taking magnesium supplements, especially if you are currently taking any medications.