The Effect of Fibre Supplementation on glucose and lipid profiles of older adults with Type 2 diabetes
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Canada has experienced a rapid increase in the age of its population over the past century. By 2031, 25% of its population will be over the age of 65 years. With this rapid increase in the aging population has come an increase in the prevalence of chronic diseases, such as Type 2 diabetes. Older adults (60 years of age and greater) who develop Type 2 diabetes increase the chances of developing other health risk factors such as cardiovascular disease (CVD), which is the most prevalent chronic disease in Canada. Having low blood lipids is a good indicator of health status. Dietary soluble fibre has been shown to have positive effects on blood lipid and glucose levels. However, it is unknown whether fibre supplementation, especially fiber made of inulin, has a beneficial effect on blood lipid and glucose levels in the older adults who have Type 2 diabetes. The objectives of this thesis will be to determine the effects of fibre supplementation of blood lipids and glucose profiles in older adults with Type 2 diabetes. Dependent variables to be assessed prior to and following the planned intervention include total cholesterol, high-density lipoprotein (HDL), low-density lipoprotein (LDL), and blood glucose. These variables will be assessed using standard blood testing procedures. Forty volunteers will be randomized to supplement with either fibre or placebo for 12 weeks. Forty older adults with Type 2 diabetes will be randomized into two groups to receive either a placebo or a fibre supplement composed of inulin. The effects of the fibre supplement on blood glucose and blood lipid levels will be observed over a 12 week period.