What's that in your mouth? 7. January 2010 William Davis (17) Fat = triglyceridesIn other words, eat fat, whether it's saturated, hydrogenated, polyunsaturated, or monounsaturated, and blood levels of triglycerides will go up over the next 6 hours. This remains true if there are carbohydrates in the meal, or if there are NO carbohydrates in the meal. It also remains true if you chronically consume fats.While fats are the primary determinant of postprandial (after-eating) triglycerides, carbohydrates are the primary determinant of fasting triglycerides.So, if your triglycerides are high on a fasting cholesterol (lipid) panel, it's most likely because you overconsume carbohydrates.Thanks to cartoonist Eli Stein, who has generously allowed me to reprint his artwork on these pages. Mr. Stein has published his work in dozens of magazines and newspapers, including the Wall Street Journal, Barron's, and Good Housekeeping. More of his work can be found at Eli Stein Cartoons.