Gluten-free diet intervention reduces thiamine intake in two weeks, increases glycaemic response and decreases body weight in four weeks, with no long term nutritional deficiencies [Erratum: April 2022, v.73(3); p.1]
Goddard, Lucy | Begovich, Lina | Tokic, Iva | Clegg, Miriam E. | Thondre, Pariyarath Sangeetha
This research investigated the effects of gluten free diet (GFD) on nutritional intake, glycaemic and insulin response. In a cross-sectional study, participants who consumed gluten-containing diet (GCD; n = 11) and GFD (n = 11) completed a food diary, blood glucose and insulin measurements. In a pre-post intervention study (n = 11), glycaemic and insulin responses were tested before and after four weeks of a GFD. Food intake was recorded before and after two weeks. No significant differences in nutrient intake, glycaemic or insulin responses were found in the cross-sectional study. In the intervention study, there was a significant reduction in body weight (p = .007) and body mass index (BMI) (p = .004) after four weeks and lower thiamine intake (p = .021) after two weeks of GFD. Glycaemic response was significantly higher (p < .05) following GFD with no differences in insulin response. These differences were not evident if GFD was followed for a longer period, possibly due to improved food choices.
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