Evenings are where a routine most often slips. Magnesium glycinate is magnesium bound to the amino acid glycine, a form many people find easy on the stomach, and many take it at night as part of winding down. Magnesium plays a role in normal nerve and muscle function. Solaray High Absorption Magnesium Glycinate, 120 capsules. Follow the directions on the label for how many capsules to take and when. Check with a doctor or pharmacist first if you have kidney problems, are pregnant or nursing, or take prescription medication.