Soya oil
What research says
Study type not stated
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Benefit
Heart disease risk4
Replacing saturated fats with soybean oil lowers blood cholesterol, and it does not appear to raise inflammation or oxidative stress.
How it’s made and used
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Taste and smell of cooking oil3
In human taste tests, people noticed differences in soya oil kept in PET bottles after 32 hours under LED light.
The signal at the top counts the findings in people and in animal and lab studies. A concern in studies of people outranks animal and lab studies, and “No concerns” needs at least two findings in people. Findings whose study type is not stated are shown but not counted. This page is a reference, not medical advice. It describes what regulators and published research say. Talk to a doctor or dietitian about your own diet.
References
- 1soya oil: ingredient taxonomy entry. Open Food Facts.
- 2Soybean oil. Wikipedia. Accessed September 26, 2026.
- 3Zhou P, Lawrence P, Abbaspourad A, Dando R. Effects of LED exposure on the sensory properties of soybean oil. J Food Sci. 2022;87(9):4162-4173. doi:10.1111/1750-3841.16286
- 4Messina M, Shearer G, Petersen K. Soybean oil lowers circulating cholesterol levels and coronary heart disease risk, and has no effect on markers of inflammation and oxidation. Nutrition. 2021;89:111343. doi:10.1016/j.nut.2021.111343