The effect of pecan consumption on cardiometabolic risk factors: a systematic review and meta-analysis of randomized controlled trials
Ziwei Zhang, Mohammad Hassan Sohouli · 2026
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Description
Ziwei Zhang and Mohammad Hassan Sohouli present a 2026 systematic review and meta-analysis of randomized trials testing whether eating pecans improves heart and metabolic risk markers. Pecans pack monounsaturated fats, plant sterols, fibre, and polyphenols, yet trial results had never been pooled comprehensively. The pair searched five databases through November 2025 and found ten eligible trials in adults. Random-effects models combined the changes in blood lipids, glucose measures, body size, and blood pressure.
Pecans lowered three lipid measures significantly: total cholesterol by a weighted mean of 8.49 milligrams per decilitre, LDL cholesterol by 7.42 in the same units, and triglycerides by 14.06 on that scale. The lipid trials agreed with each other closely, showing zero measured heterogeneity. Nothing convincing emerged for HDL cholesterol, glucose, insulin, weight, waist size, or blood pressure. Triglyceride benefits appeared only in trials lasting over four weeks. The authors back pecans as a lipid-friendly food.
Catalog record
| CREATOR | Ziwei Zhang, Mohammad Hassan Sohouli |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 45816 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |