This study interviewed 442 consumers and discovered that most of respondents were female, aging between 21 and 31 years old and were married. Their family members were between 3 and 4 persons and got bachelor’s degree. The majority of respondents earned income between 10,001 and 20,000 ThB/month. The consumers recognized fiber food product information well and had tried the product in capsule form. Consumers expected more action from the product on body detoxification. They also concerned in product properties before decision making in purchasing. The consumers’ opinions towards the product revealed that most of them preferred to buy the product once to twice a week. The expected price of the products should be approximately 31-40 ThB/piece. The consumers were interested in the products which were sold in common market. The statistic testing results showed that age of shoppers was significantly differentiated to their decision making on food fiber products buying at the 5 % level. The consumers suggested that the product should be more variety.  Also, this study suggested that more detailed information should be printed on the packaging of each fiber food product.