Magnesium bisglycinate has properties associated with increased muscle relaxation and reduced anxiety levels, which helps to achieve better rest. In addition, some studies have suggested that magnesium may help with mental fatigue and improve memory. Ingredients: Magnesium (magnesium bisglycinate), rice starch, vegetable capsule (hydroxypropylmethylcellulose), and anti-caking agent (magnesium salts of fatty acids).