Blood sugar can drop too low, and lead to hypoglycemia symptoms like confusion, dizziness, or palpitations; a person could even fall into a coma. For severe hypoglycemia (a blood-sugar level below 54 mg/dL), the American Diabetes Association (ADA) recommends you follow the "15-15 rule. https://sweetrestoreglycogensupport.net/gluco-maxum-blood-health-balance/