A member asked:

Should i fast before a cholesterol/lipid test? my nonfast cholesterol was recently high, but 6 months ago a fasting was square in the normal range?

A doctor has provided 1 answer
Dr. Thomas Knecht answered

Specializes in

Fasting is best: Hi. All the normal ranges for cholesterol, triglycerides, HDL, LDL, non-HDL, etc are based on fasting values. Normative values for post-challenge (i.e., non-fasting) lipids are not established. Actually, cholesterol changes very little with eating, whereas triglycerides may show a dramatic response depending on what is eaten. But yeah, do it fasting for the best info.

Answered 1/18/2015

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