Definition
What TG/HDL Ratio measures
The triglyceride-to-HDL ratio divides fasting triglycerides by HDL cholesterol. It is calculated from two measured markers on the same draw and rises when triglycerides climb while HDL falls.
← All biomarkers
LipidsEssentialCompleteratio
TG/HDL Ratio
A quick window into insulin-resistance patterns
Illustrative sample band · Synthetic
2.7ratio
0Sample target 0.5–2 ratio3.2
Why it matters
How clinicians usually read it
That high-triglyceride, low-HDL pattern often accompanies insulin resistance, so the ratio is a fast metabolic screen read next to glucose, insulin, and HbA1c.
When it reads low
A lower value can mean
A lower ratio is the usual quiet pattern and often accompanies good insulin sensitivity. It is reassuring context rather than a guarantee.
When it reads high
A higher value can mean
A higher ratio suggests the lipid pattern of insulin resistance. Fasting status and alcohol the night before can move it, so confirm the collection story first.
Questions for a clinician
Bring the number into a real conversation
01
Does this ratio agree with my fasting insulin and HbA1c?
02
Was the draw truly fasting, or could the ratio be inflated?
03
What lifestyle levers would you expect to move this ratio first?
Educational boundary
Educational information only. Displayed ranges are illustrative sample bands, not a diagnosis, treatment plan, or substitute for the contracted laboratory report and a qualified clinician.
See it as a sample result
The sample dashboard shows an illustrative reading, target band, and trend for TG/HDL Ratio.