People with a higher ratio of triglycerides to HDL cholesterol have a greater likelihood of developing cardiovascular disease.
See the scientific wording
A higher triglyceride-to-HDL cholesterol ratio is associated with an increased risk of cardiovascular disease.
Correlational — new studies may shift this
Observational3 good-quality studies link this claim to the outcome, but causation is not established.
What the research says
3 studies reviewedSupporting (3)
Cohort StudyHuman2023
People with higher levels of triglycerides compared to HDL cholesterol were more likely to develop heart disease over time, even after accounting for other risk factors like diabetes and high blood pressure.
Cohort StudyHuman2025
People with higher levels of triglycerides compared to their 'good' HDL cholesterol were much more likely to have heart attacks or strokes, even after accounting for other health factors. This means the ratio can help predict who’s at higher risk.
Cohort StudyHuman2021
This study found that people with higher levels of triglycerides compared to HDL cholesterol are more likely to have heart disease — but this was only true for White adults in the study. For Black adults, the ratio didn’t seem to matter as much. Still, since the link was clear in one big group, the idea that a high ratio predicts heart risk is mostly supported.
Contradicting (0)
No contradicting studies found yet
That doesn't mean it's settled — it just means no study has tested the opposite.
Quality-weighted scoring: we follow the GRADE framework — each study is rated High, Moderate, Low, or Very Low based on study design, methodology rigor, and risk of bias. A single high-quality RCT can outweigh several weaker observational studies.
Scores reflect study quality, not just count.
When the body becomes resistant to insulin, the liver produces too many fat particles called triglycerides and removes too little good cholesterol called HDL. This imbalance causes fat to build up inside artery walls, damages the lining of blood vessels, and triggers chronic inflammation. Over time, this leads to clogged arteries that can rupture and cause heart attacks or strokes.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 3 supporting studies
How Fit Body Science checks a claim
- 1
We isolate the claim
Health advice from videos, articles and studies is broken down into single, testable claims.
- 2
We find the research
Each claim is matched against peer-reviewed studies, with every source cited by DOI.
- 3
We grade the evidence
Studies are scored on methodology, statistical rigor, transparency and publication quality.
The fitness and health internet is full of confident claims. We check them against real research.
Every claim on this site is traced back to peer-reviewed studies, scored on methodology and reporting quality, and given a verdict you can audit yourself — sources, DOIs and all.
- Full evidence breakdown and mechanism chains
- Ask our AI anything about a claim or its studies
- Get notified when new research changes a verdict