Looking for maximum-strength calming nutrients in the best magnesium supplement available? Keep calm and turn to KalmAssure from NaturesPlus, offering all the benefits of magnesium in a delicious drink mix.* 420 mg of magnesium in highly bioavailable citrate form Supports nerve & muscle relaxation* Supports reduction of tiredness & fatigue* Supports energy-yielding metabolism* Promotes strong teeth & bones* Supports psychological function* Promotes healthy magnesium levels* Delicious Pink Lemonade flavored with other natural flavors Mixes easily with water or juice