NUTRITION February 26, 2023 Vitamin Deficiency That Can Cause Constipation, Bloating Or GasesđŸ‘‰Thiamine, also known as vitamin B1, is one of the eight essential B vitamins. đŸ‘‰The gastrointestinal (GI) tract is one of the main systems affected by a deficiency of thiamine. Clinically, a severe deficiency in this nutrient can produce a…