Magtein has been known to increase resilience to stress, lift mood, raise your energy levels, improve concentration and focus and reformation of sleep quality. There are 4 aspects of cognitive ability that they were positively effected by taking Magtein, episodic memory, working memory, executive function, and attention. There are countless ways to get other forms of magnesium naturally in your diet, but food sources of magnesium L threonate do not exist because it's a sythesized form. That means that magnesium is critical for the physiological events that are fundamental to the processes of learning and memory Magnesium threonate has the unique ability to permeate the brain and enhance the receptors that are involved in this process. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.