Mag365 Magnesium Passion Fruit (300g). Mag365 Magnesium Powder provides high quality ionic magnesium citrate in powder form which ensures optimal assimilation and absorption.. Magnesium is an essential mineral which is required by the body for overall health. This mineral is extremely important for the normal functioning of cells, nerves, muscles, bones and the heart.. Some nutritional experts recommend taking magnesium supplements in the evening before sleeping, as its helps the muscles to relax and recover from the exertions of the day. This supplement is suitable for both vegans and vegetarians.. You can check out MAG365 Magnesium Reviews below from our customers.