Types Explainer Magnesium Citrate A type of magnesium that has been combined with citric acid. Magnesium Glycinate Formed from magnesium and glycine, some suggest this types support a better night's sleep and greater relaxation. “There has been a significant amount of research [on] the effects of magnesium, including positive outcomes in certain health conditions, including heart disease, high blood pressure, mental health disorders, including depression and low mood; our brain health, blood glucose measures and muscle function,” explains Gilly Brunton, Registered Nutritionist at Wild Nutrition.