Trial reportAsia Pacific journal of clinical nutrition2026
Effect of a walnut-based low carbohydrate diet on fat redistribution and visceral fat accumulation in people with central obesity: A randomized controlled trial.
Trial report in Asia Pacific journal of clinical nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
Funding
Abstract
BACKGROUND AND
objectivesThe aim of this study was to determine whether a walnut-based low carbohydrate diet (w-LCD) promotes fat redistribution and reduces visceral fat accumulation in people with central obesity (CO). METHODS AND STUDY
designThis study was a 12-week prospective randomized controlled trial. CO participants were recruited and assigned to the w-LCD group or high-carbohydrate, low-fat diet (HCD) group. According to "2021 Guidelines for Medical Nutrition Therapy of Overweight and Obesity", the HCD program was constructed; based on the HCD program, the w-LCD program was formed by replacing 150 grams/day of staple food with walnuts rich in healthy fat. The visceral fat area (VFA), trunk to leg fat ratio (TLR), and waist-to-hip ratio (WHR) were assessed at baseline and 12 weeks.
resultsThe Group × Time interaction effects were significant for TLR (η² = 0.071, p = 0.039) and VFA (η² = 0.093, p = 0.014) with moderate effect, and body mass index (BMI, η² = 0.168, p = 0.001) with large effect. Although comparison be-tween groups revealed no significant on TLR, VFA and BMI at 12 weeks, comparison within groups showed all decreased with large effect on TLR (η² = 0.174, p = 0.001), VFA (η² = 0.393, p <0.001) and BMI (η² = 0.399, p <0.001) in the w-LCD group over time.
conclusionsA w-LCD achieves a significantly greater and faster fat reduction over time compared to the control group, providing a solid evidence-based foundation for dietary management in people with CO.
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