Quick Answer: Mono and diglycerides are emulsifiers that may contain trans fats — but they're exempt from trans fat labeling requirements. A product can claim "0g trans fat" while containing trans fatty acids from mono and diglycerides. They're found in bread, peanut butter, and margarine.
Mono and diglycerides are emulsifiers made from fats (usually soybean, palm, or canola oil) used to improve texture and prevent separation in bread, peanut butter, margarine, ice cream, and baked goods. The major concern is that their production process (partial glycerolysis) creates trans fatty acids as a byproduct. Since the FDA classifies mono and diglycerides as emulsifiers rather than fats, they are exempt from the trans fat labeling requirement — even though they can contain 15-30% trans fats. After the FDA's 2018 ban on partially hydrogenated oils (the primary source of trans fats), mono and diglycerides remain one of the last legal sources of artificial trans fats in the US food supply. Trans fats are definitively linked to heart disease, raising LDL cholesterol and lowering HDL cholesterol.
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Yes, they can contain 15-30% trans fatty acids, but are exempt from trans fat labeling because the FDA classifies them as emulsifiers, not fats.
Bread, peanut butter, margarine, ice cream, baked goods, whipped topping, and many processed foods contain mono and diglycerides.
CheckIt AI. (2026). "Are Mono and Diglycerides Bad for You? — CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/answers/is-mono-and-diglycerides-bad"Are Mono and Diglycerides Bad for You? — CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/answers/is-mono-and-diglycerides-bad.<a href="https://getcheck.it/answers/is-mono-and-diglycerides-bad">Are Mono and Diglycerides Bad for You? — CheckIt AI — CheckIt AI</a>@misc{checkit2026answersismonoanddiglyceridesbad,
title = {Are Mono and Diglycerides Bad for You? — CheckIt AI},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/answers/is-mono-and-diglycerides-bad},
note = {Retrieved 2026-03-05}
}