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. It helps regulate muscle and nerve function, blood sugar levels, and blood pressure. The recommended daily allowance varies by age and gender, with adults typically needing between 310-420mg per day. This higher strength 500mg formulation may be particularly suitable for those with increased magnesium needs or deficiency. Common signs of magnesium deficiency can include muscle cramps, fatigue, and weakness. As with any supplement, consult healthcare provider before use.