Abstract

BackgroundWhole foods that contain fiber and high levels of unsaturated fatty acids (peanuts and peanut butter) may have benefits for persons with type 2 diabetes mellitus (T2DM) by reducing cardiovascular risk factors.Study ObjectiveTo assess the effect of a peanut and peanut butter‐enriched American Diabetes Association (ADA) meal plan in adults with type 2 diabetes mellitus (T2DM) on changes in body weight (BW) and waist circumference (WC).MethodsWe performed a parallel randomized controlled 12 week dietary intervention trial in free‐living adults. Twenty‐nine subjects followed ADA meal plans [moderate fat (35% en), Control; and, moderate fat (35% en) inclusive of 32 g peanuts or 2 Tbsp. peanut butter daily, Intervention]. BW and WC measurements were obtained at baseline and 12 weeks.ResultsFrom baseline to week 12, a larger reduction in mean BW was found in the Intervention group (−0.82 ±0.70 kg) as compared to the Control group (−0.35 ± 1.47 kg) (p=0.44). A greater reduction in mean WC was observed in the Control group (−0.81 ± 2.21 cm) as compared to the Intervention group (−0.21 ± 1.93 cm) (p=0.45). No difference in WC or BW change between the groups was observed when the data was controlled for gender.ConclusionStudies with larger sample sizes are warranted to further detect differences in anthropometric measurements among persons with T2DM following an ADA diet enriched with peanuts and peanut butter.

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