Understanding your cholesterol labs
Cholesterol testing can feel confusing, especially when lab results don’t come with much explanation. Let’s break down what these numbers mean, how coronary calcium scoring fits in, and where supplements do—and don’t—play a role.
Understanding cholesterol labs
A standard lipid panel includes:
LDL (low-density lipoprotein):
often called “bad” cholesterol
HDL (high-density lipoprotein):
often called “good” cholesterol
Triglycerides:
a type of fat in the blood
Total cholesterol
LDL cholesterol is a key focus because higher levels are associated with increased risk of heart disease.
What is a CT coronary calcium score?
A CT coronary calcium scan is a specialized imaging test that looks for calcified plaque in the coronary arteries. The result is a calcium score:
Zero
suggests no detectable plaque
Higher scores
indicate increasing plaque burden and cardiovascular risk
This test does not replace cholesterol labs but can help refine risk assessment in certain patients.
Supplements: myths vs. facts
Many supplements are marketed for cholesterol lowering, but evidence varies:
Some supplements may have modest effects on cholesterol levels
Supplements are
not regulated like medications
They do not replace lifestyle changes or prescription therapies when those are indicated
Always talk with your physician before starting supplements, especially if you take other medications.
The Bottom Line
Cholesterol management is about overall cardiovascular risk—not just one number. Labs, imaging, lifestyle, and medical history all work together to guide personalized care.
Learn more about Hoag’s newest primary care physicians and the Jeffrey M. Carlton Heart & Vascular Institute.
