For both men and women, normal triglyceride levels are 150 milligrams per deciliter, states WebMD. Borderline high triglyceride levels range from 150 to 199 milligrams per deciliter, while high levels range from 200 to 499 milligrams per deciliter. Very high levels are above 500 milligrams per deciliter.
Triglycerides appear as the result the body breaking down fats consumed, notes WebMD. Carbohydrates can also create triglycerides. Doctors measure for triglycerides using a test called a lipid panel. This simple blood test also tests for good and bad cholesterol levels, and the American Heart Association advises everyone over the age of 20 to get one every five years.