Fat on the Nutrition Facts label is broken into Total Fat, with Saturated Fat and Trans Fat indented beneath it. Decades of 'low-fat' messaging left many people confused, so here's what actually matters.
Total fat
Total Fat is all fat in a serving, and it's not inherently bad. Fat is essential — it carries fat-soluble vitamins, supports cell structure, and provides energy. The Daily Value is 78 grams. What matters far more than the total is the type of fat.
Saturated fat
Saturated fat, found mainly in animal products and tropical oils, raises LDL ('bad') cholesterol and is linked to heart disease when eaten in excess. Its Daily Value is 20 grams, and it's a nutrient to limit — aim for a low %DV. In drinks, saturated fat shows up in whole-milk lattes, cream-topped frappuccinos, and coconut-based beverages.
Trans fat
Trans fat is the one to avoid entirely. Artificial trans fat, created by hydrogenating oils, raises bad cholesterol and lowers good cholesterol — the worst of both. The evidence was so strong that the FDA effectively banned artificial trans fat from the U.S. food supply, a phase-out largely complete by 2018 (see the history of food labeling changes). Trans fat has no %DV because the guidance is simply: as little as possible.
Unsaturated fats
The label doesn't always break these out, but the fats not listed as saturated or trans are mostly unsaturated — the heart-healthy fats in olive oil, nuts, avocados, and fish. These can actually improve cholesterol. So a food being high in total fat isn't automatically bad if that fat is unsaturated.