Sentinel Magnesium 500mg is a dietary supplement containing 100 tablets that provides a higher dose of essential magnesium to support muscle function, bone health, energy production, and nervous system function. Each tablet delivers 500mg of magnesium in an easy-to-take form. Magnesium is a vital mineral involved in over 300 enzymatic reactions in the body. The 500mg dosage is higher than standard supplements, making it suitable for those with increased magnesium needs or deficiencies. Common signs of magnesium deficiency can include muscle cramps, fatigue, and weakness. The supplement comes in a sealed amber bottle to protect contents. As with any supplement, consult healthcare provider before use, especially with this higher dosage formulation.