The Truth About Fat and Weight Gain

Did you know… if you drank one cup of oil a day, you wouldn’t necessarily gain weight — unless

you were eating more calories than your body burns? Sounds crazy, right?

But here’s the science behind it. One cup of oil contains roughly 1,900 calories (USDA,

2024). That’s almost the entire daily energy intake for an average adult.

If you consumed that cup of oil but still stayed within your total daily calorie needs

— say, by eating less of other foods — your weight wouldn’t increase.

Eating fat doesn’t automatically make you gain weight. It’s the overall energy balance —

calories in versus calories out — that matters most. When you consume more energy than