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Study Finds Some IE Fats May Not Harm Heart Health

11/8/2025

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Summary

Story summary

A six-week study by King's College London and Maastricht University suggests certain interesterified (IE) fats may not negatively impact heart health.
In a trial with 47 healthy adults, researchers found no significant differences in cholesterol or other health markers between muffins made with palm-rich and fully hydrogenated IE fats.
Experts caution that, although results indicate metabolic neutrality, longer-term studies are needed to determine effects on heart disease risk.

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Story summary

A six-week study by King's College London and Maastricht University suggests certain interesterified (IE) fats may not negatively impact heart health.
In a trial with 47 healthy adults, researchers found no significant differences in cholesterol or other health markers between muffins made with palm-rich and fully hydrogenated IE fats.
Experts caution that, although results indicate metabolic neutrality, longer-term studies are needed to determine effects on heart disease risk.