Beaver Brook. Potent Magnesium Complex - Made with 500 mg of pure magnesium in one convenient, easy to swallow vegetarian capsule with no added preservatives or binders. Magnesium supports healthy bones and muscle function.* Supports Digestion Health - It helps to make enzymes in your saliva that break food down into smaller parts, helping the entire digestive process. Promotes Relaxation & Restful Sleep - Regular intake relieves tension and promotes muscle recovery, fitness endurance, relaxation and a calm, restful sleep.* Bone Density & Strength - Magnesium is an essential vitamin and as vital as calcium when it comes to bone health. Daily magnesium intake is associated with better bone density of the hip and spine.* Muscle Relaxation & Recovery - Formulated to offer fast, magnesium may help calm and relax muscles for greater comfort, healthy muscle growth, recovery and repair, and a better night's sleep.