In the glucomannan noodle (GMN) diet, the participants received two servings (400 g) of GMN every day to replace their daily carbohydrate intake for 4 weeks, with each serving of glucomannan noodles weighing up to 200 g with 2 g of glucomannan.

In the placebo noodle (PN) diet, the participants received the participants received the same amount of noodles without glucomannan.

"First Intervention (4 weeks, GMN)", "Washout (2 weeks)" and "Second Intervention (4 weeks, PN)"

First GMN Then PN

"First Intervention (4 weeks, PN)", "Washout (2 weeks)" and "Second Intervention (4 weeks, GMN)"

First PN Then GMN

Total

Sex: Female, Male

Body weight by weighting scale (kilogram). Lower scores mean a better outcome in subjects.

GMN Diet

PN Diet

Body Weight

Waist Circumference

Glycemic Index

LDL-C (low density lipoprotein cholesterol) analysis

Lipid Index

Overall Study

Dr. Sing-Chung Li

The 100 g GMN noodle contains 1 g of konjac glucomannan powder. Participants approximately consumed 2 g GMN per day in 200 g of noodle. The intervention period was 4 weeks long. Meanwhile, the participants remained their usual eating habits except consuming any probiotics or prebiotics.

Isocaloric noodle with no konjac glucomannan powder in placebo comparator. The PN-participants daily consumed placebo noodle without any added GMN (approximately 200 g noodle per day). The intervention period was 4 weeks long. Meanwhile, the participants will remain their usual eating habits except consuming any probiotics or prebiotics.

Metabolic Syndrome

The participants received two servings (400 g) of GMN every day to replace their daily carbohydrate intake for 4 weeks.

Glucomannan noodle

In the placebo noodle diet, the participants received the same amount of noodles without glucomannan for 4 weeks.

amorphophallus titanum/upala

Effects of Konjac Glucomannan Noodle Intervention in Subjects With Metabolic Syndrome

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