Healtheries Magnesium 400mg High Strength capsules provide 400mg of elemental of Magnesium from 3 different sources for optimum absorption Magnesium is an incredibly versatile mineral that your body uses in more than 300 different ways Low dietary Magnesium levels can result in feeling stressed or anxious, difficulties relaxing or sleeping, muscle cramps and PMT High dose, 1-a-day capsule Contains no gluten, wheat, dairy products, egg, soy, artificial colours, artificial flavours, artificial preservatives