CanPrev - Magnesium Bis-Glycinate 140 Extra Gentle - 120 Vegetable Capsule(s) - NPN: 80075951 -- Designed for those seeking potency with enhanced gentleness, this Magnesium Bis-Glycinate delivers more glycine to ensure magnesium absorption in spite of digestive issues. Recommended for those with sensitive digestion, IBS or weak stomach acid.