Where should I look to find partially hydrogenated oils?
If the Nutrition Facts panel says '0 g trans fat,' you must read the ingredient list separately. Look for the phrase 'partially hydrogenated oils' to identify artificial trans fats that manufacturers have added.✓ Accepted answer
You should look for the phrase partially hydrogenated oils in the ingredient list of packaged foods, even if the Nutrition Facts panel indicates zero grams of trans fat.
Here are four practical points to help you identify and avoid these ingredients in 2026:
- Check the ingredient list separately: US food labeling regulations allow manufacturers to round down small amounts of trans fat. A product can list 0 g of trans fat on the Nutrition Facts label but still contain up to 0.5 grams per serving if partially hydrogenated oils are present in the ingredients.
- Target common snack categories: Artificial trans fats were historically added to enhance shelf life and texture in baked goods, instant dough products, non-dairy coffee creamers, and fried convenience foods. Scan these specific items for the term partially hydrogenated.
- Be aware of natural trans fats: The US FDA no longer recognizes trans fats from partially hydrogenated oils as Generally Recognized as Safe. However, this distinction does not apply to trace amounts of natural trans fats found in beef, lamb, and full-fat dairy products, which occur naturally in animal fats.
- Verify with manufacturer data: If you find partially hydrogenated in the ingredients, the product contains artificial trans fats that raise LDL bad cholesterol and lower HDL good cholesterol. For the most accurate information, consult the Center for Science in the Public Interest or the US Food and Drug Administration resources, which track compliance with current zero-trans-fat standards.
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