A young emaciated male, known case of celiac disease came with the complains of diarrhea along with 5kgs of weight loss in 3 months' time. He had severe electrolyte abnormalities along with low albumin, low calcium and a high phosphate with deranged liver function test. Ultrasound abdomen had shown fatty liver. Nutrition consult was sought and he was found to have a BMI of 6.8kg/m². He was started on nutrition support along with supportive therapy, which resulted in weight gain and improvement in his condition.