Contact your healthcare provider if you experience: Severe or persistent abdominal pain Continuous vomiting or dehydration Severe constipation lasting for several days Signs of low blood sugar levels (dizziness, confusion, lightheadedness, sweating, or rapid heartbeat) Allergic or hypersensitivity reaction (Symptoms of hypersensitivity reaction are skin rash, itching, urticaria (hives), flushing, shortness of breath, swelling of face, lips, and tongue, redness, sneezing, nasal congestion, watery eyes, cough, wheezing, chest tightness, dizziness, vomiting, abdominal pain, rapid heartbeat, and low blood pressure
What Is NAD+ and How Does It Work
Gastroenterology 126, 287
Binding of nonsuppressible insulinlike activity to human serum