IP No. 599300 The disclosure relates to a magnesium-containing composition formulated for oral consumption by a subject comprising magnesium threonate. wherein said magnesium threonate is present in an amount that is effective to treat a condition selected from the group consisting of: a neurological disorder, fatigue, anxiety, diabetes and magnesium deficiency and wherein said composition is formulated as a gel, semi-liquid, semi-solid, solid, tablet, capsule, beverage, a solid food, or a semisolid food.