Sentinel Magnesium 250mg is a dietary supplement containing 100 tablets that provides essential magnesium to support various bodily functions. Each tablet delivers 250mg of magnesium, an important mineral that helps maintain healthy bones, muscles, nerve function and energy production. Magnesium is a vital mineral that plays a role 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, but adults typically need between 310-420mg per day. Common signs of magnesium deficiency can include muscle cramps, fatigue, and weakness. The supplement comes in a sealed amber bottle with protective cap to maintain freshness.