• Padmanabha Nandan, Arun Kumar Nayanatara, Roopesh Poojary, K Bhagyalakshmi, M Nirupama, and Rekha D Kini.
• Department of Physiology, Kasturba Medical College, Mangalore, Affiliated to Manipal University, Karnataka, India.
• J Natl Med Assoc. 2018 Feb 1; 110 (1): 9810298-102.

PurposeObesity in females is an emerging health problem. The consumption of MSG has been considered as a risk factor for obesity. The tastemakers in Chinese and fast foods, such as fish sauce and soy sauce, contain very high levels of glutamate. The deficiency of Vitamin D is associated with obesity and metabolic syndrome. Therefore, the present study aimed to determine the effect of co-administration of Vitamin D on body weight control in MSG-induced obese rats.MethodsEighteen adult female Wistar rats were randomly divided into three groups equally. The first group (Group I) was treated with saline served as the control; the second group (Group II) received a daily oral dose of 5 g/kg Body weight of MSG; the third group (Group III) received the same dose of MSG along with calcitriol (0.2 mcg/kg BW) for 15 days.ResultsThe body weight, food, and water intake were measured. MSG treated rats showed a significant increase (P < 0.001) in the body weight, food, and water intake but significant decrease (P < 0.001) was observed in the rats treated with MSG along with Vitamin D.ConclusionIngestion of Vitamin D suppresses body weight gain in MSG-induced obese rats. Active agents in Vitamin D are useful for the prevention and treatment of obesity. Foods tested with high glutamate levels can be fortified with minute quantities of calcitriol to combat the adverse effects without compromising on the taste of the food processed. The fortification of junk foods might also combat largely prevalent Vitamin D deficiency in India.Copyright © 2018 National Medical Association. Published by Elsevier Inc. All rights reserved.

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