A review of over 20 years of evidence has reinforced the link between eating pecans and positive effects on heart health, cholesterol, and the overall quality of diets.
Studies on humans have shown that regularly eating pecans in snack portions has been linked to better total cholesterol, "bad" LDL cholesterol, triglycerides and non-HDL cholesterol.
The findings come from an analysis on scientific evidence from 2000 to 2025 that has been published in Nutrients, a peer-reviewed journal.
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The nutrient-dense nut is a rich source of an antioxidant called polyphenols and other components that support antioxidant activities. Pecans also help reduce lipid oxidation, a process related to an imbalance that leads to cell damage.
The review pointed to research showing that including pecans as part of a healthy diet can support key markers associated with heart health, particularly blood lipids. It also showed that people who include pecans in their diet score higher on the Healthy Eating Index.
However, the findings are mixed on pecans' effects on blood sugar and diabetes-related outcomes.
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Can pecans make you feel fuller longer?Several studies have reported greater feelings of fullness after eating pecans, even as findings on weight outcomes remain mixed.
Notably, the current evidence does not show that people are at risk of gaining weight when they eat pecans.
"What stands out in the research is the consistency of evidence linking pecans to markers of heart health and overall diet quality," notes Britt Burton-Freeman, PhD, MS, Director of the Center for Nutrition Research, Illinois Institute of Technology.
"The additional findings around satiety and weight management add important context, particularly as interest grows in appetite regulation and the use of GLP-1 therapies."
This study was supported by the American Pecan Promotion Board (APPB) and APPB had "no influence" over the study.
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