Apolipoprotein B
Heart healthA protein found on the surface of all atherogenic lipoproteins including LDL.
Since each ApoB particle contains one lipoprotein, ApoB levels directly reflect the number of potentially harmful particles in circulation. Elevated levels strongly correlate with increased cardiovascular risk, and often provide a more accurate risk assessment than LDL alone.
Reference range
Source: lab benchmark
Reference ranges may vary between labs and assays. Always interpret results with your healthcare provider. · LOINC code: 1884-6
Why this matters
Elevated ApoB levels can signal increased cardiovascular risk, even when traditional cholesterol measurements appear normal. Various lifestyle factors—such as diet, physical activity, body weight, and smoking—can influence ApoB levels. Regular monitoring of ApoB can help guide proactive lifestyle changes to reduce cardiovascular risk. If lifestyle modifications alone aren't sufficient, ApoB levels can inform discussions with healthcare professionals about additional interventions, including medication if appropriate.
How this connects to other biomarkers
- ApoB exceeding LDL predictions reveals hidden cardiovascular risk requiring treatment even with "normal" LDL cholesterol.
- High ApoB with insulin resistance indicates metabolic dysfunction driving particle production, suggesting lifestyle intervention over immediate statins.
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