elevated triglycerides are most often driven by a poor diet or one that is rich in simple carbohydrates such as sugar and fructose. very high intakes of carbs or more than 60% of total calories results in blood tests with high tg's and low hdl. about a third of us adults have high tg's with levels greater than 150. this blood fat is affected by weight fat distribution and other factors. but overwhelmingly studies have shown that most adults with high triglycerides are overweight or obese. these studies are based on measurements of bmi or body mass index. high blood tg's can result from a decrease in breakdown. for example in people with type 2 diabetes or with insulin resistant there seems to be a defect in tg's metabolism. a blood test in someone with these conditions often reveals high tg's normal ldl and low hdl levels. it's common to see lab result showing a normal ldl level when tg's are very high. yet this is a falsely normal ldl level. a better estimate of your true ldl value can be calculated by your healthcare provider. primarily the treatments for high triglycerides rest on diet management exercise and weight loss.
why would triglyceride levels be very high when ldl and hdl levels are normal?