4 months supply of 240 easy to swallow capsules providing 444mg of elemental magnesium per serving. Why it's so good Magnesium is an incredibly important mineral, all the cells in your body contain it and need it to function. It is crucial to processes such as energy creation, protein formation, gene maintenance, muscle movement, and nervous system regulation. Getting enough magnesium is essential for maintaining good health, yet studies have indicated that potentially over 50% of people in the UK don't get enough in their diet. Known as the mighty mineral, magnesium has many important uses: Your brain needs it to chemically enable normal sleep & relaxation. Increasing levels can reduce stress/anxiety & might help with depression. Reduces tiredness/fatigue, treats migraines & boosts athletic performance. Supports normal functioning nervous system & psychological functions. Assists in regulating blood sugar levels & keeping blood pressure low. Helps to retain hair pigment, slowing down the onset of greying hair. Safe and effective natural laxative which can be used to treat constipation. Although generally safe and well-tolerated, Magnesium supplementation may not be suitable for people who take certain diuretics, heart medications or antibiotics.