Effect of MSG on overweight/obesity Authors 
(Journal, Year)
Data collection
(Year of survey)
Subjects (n) Country of survey and geographic area MSG intake (g)
(mean ±SD)
Negative Association Hien VT et al
(Public Health Nutr 2012)
Survey for MSG and obesity study (2008) 1,528 Vietnam
(rural and urban areas)
Hanoi, Thua Thien-Hue
 province and Ho Chi Minh City
2.20 ± 1.80 g/day
Zumin Shi et al
(Br J Nutr, 2010)
Jiangsu Nutrition Study. Second study published.
(1st data: 2002, 2nd data: 2007)
1,282 China
(urban and rural areas)
 Jiangsu (Southern China)
3.80 ± 4.30 g/day
Positive
Association
Ka He et al
(Obesity, 2008)
INTERMAP study. First publication about MSG and obesity in human study (1997). 752 China
(urban and rural areas)
Northern and Southern China
0.33 ± 0.40 g/day
Ka He et al
(Am J Clin Nutr, 2011)
China Health and Nutrition Survey. (Open cohort ongoing nation- wide survey) (1991-2006) 10,095 China
(urban and rural areas)
2.20 ± 1.60 g/day
Insawang T et al (Nutr Metab 2012) General adult population (2009 – 2010) 349 Thailand
(rural area)
Khon Kaen Province
4.0 ± 2.2 g/day
Table 1: Summary of epidemiological studies in monosodium glutamate and overweight or obesity INTERMAP: International Population Study on Macronutrients and Blood Pressure SD: Standard desviation.