Magnesium GlycineEffervescentMagnesium is truly a miraculous mineral and essential to our well being. Yet Health Canada reports that over 42 per cent of Canadians are deficient in this mineral. Calcium directly opposes magnesium within the body and a high intake of calcium relative to magnesium can throw off the delicate balance. Purica Effervescent Magnesium Glycine is a delicious raspberry-flavoured drink that will ensure you obtain the optimum daily dose of this vital mineral.