Sentinel Magnesium 500mg is a dietary supplement containing 100 tablets that provides a high-strength dose of essential magnesium to support various bodily functions. This mineral supplement helps maintain healthy muscles, bones, nerve function and energy production. Magnesium is a vital mineral involved in over 300 enzymatic reactions in the body. The 500mg dose provides a substantial amount of the recommended daily magnesium intake, which ranges from 310-420mg for adults. This supplement may be particularly beneficial for those with increased magnesium needs, including athletes, people under stress, or those with dietary restrictions. Common signs of magnesium deficiency can include muscle cramps, fatigue, and weakness.