Large doses of magnesium supplements can cause nausea, abdominal cramping, and bloating, together with diarrhea. Magnesium oxide, chloride, gluconate, and carbonate tend to be the forms that usually cause diarrhea and other gastrointestinal troubles. Getting significant doses of laxatives and antacids that have magnesium are tied to magnesium toxicity. Prediabetes. https://youtube.com/shorts/xDPWXkHgE5U?feature=share