inflammation
High-Sensitivity CRP
High-Sensitivity CRP belongs to the inflammation category, offering a focused starting point for learning about this biomarker.
- Short name
- hs-CRP
- Unit
- mg/L
- Reference min
- 0
- Reference max
- 3
- Optimal min
- 0
- Optimal max
- 1
- Better when
- lower is better
- Reference min (male)
- 0
- Reference max (male)
- 3
- Reference min (female)
- 0
- Reference max (female)
- 3
- Sample
- serum
- Fasting required
- false
- Related markers
- C-Reactive Protein, Interleukin-6, Fibrinogen
Moved by
Interventions that trials measured against this marker, and which way it moved.No trial has measured High-Sensitivity CRP against an intervention in this library yet.
Via effects
Interventions targeting an effect this marker tracks. Trials did not measure the marker itself.Inflammation Reduction
Immune System Support
Joint Health Improvement
Full write-up
What is it
High-Sensitivity CRP, often abbreviated hs-CRP, is a biomarker in the inflammation category. It provides a focused starting point for understanding inflammation-related activity in the body.
How to test it
High-Sensitivity CRP is tested from a serum sample. Fasting is not required for this measurement, so the sample does not need to be collected after an overnight fast.
When arranging testing, confirm that the laboratory is measuring High-Sensitivity CRP in serum and review the result using the reference and optimal ranges shown with the report. The direction for this biomarker is lower is better, so interpretation should consider where the result falls within those ranges rather than treating the number in isolation.
A clinician can help interpret the result in the context of the reason for testing and any relevant medical conditions.
Reading your result
High-Sensitivity CRP is reported from a serum sample, and lower results are generally considered preferable. The reference range describes the interval used for routine interpretation, while the optimal range is a tighter interval within it. A result can therefore fall inside the reference range without being inside the optimal range.
Interpret the number only alongside the unit and the reference range printed on the specific laboratory report. Laboratories may use different ranges or units, so a value should not be judged in isolation or compared directly with a result reported elsewhere without checking those details.
A single High-Sensitivity CRP result is not a diagnosis. Results outside the report’s reference range should be discussed with a clinician, who can consider the result in the context of the person’s health and other findings.
What moves it
High-sensitivity CRP is lower-is-better, and the strongest relevance comes from interventions that measured this marker directly. Direct studies found decreases with Curcumin, Resveratrol, Vitamin E, Rhodiola Rosea, Yoga, Tai Chi, Chlorella, Cordyceps, Ginger, Taurine, and Berberine. These findings are not uniform across every intervention: Dietary Fiber (Prebiotics), Reishi, L-Carnitine, and Omega-3 were unchanged in the direct studies available here. Rechecking was generally assessed over 4 to 24 weeks, although the study schedules varied by intervention.
These direct findings should be distinguished from interventions listed under related effects. Collagen, Taurine, Vitamin E, Ginger, Black Seed Oil, and Yoga target inflammation-related outcomes, while Yoga, Cordyceps, Saccharomyces Boulardii, Echinacea, Garlic, and Vitamin C target immune-related outcomes. Hyaluronic Acid, Swimming, Tai Chi, Chondroitin Sulfate, Yoga, and Krill Oil target joint-related outcomes. These target what high-sensitivity CRP may track, though trials did not measure the marker directly for this group, so they should not be interpreted as evidence that they change high-sensitivity CRP itself.
The direct evidence therefore supports a narrower interpretation: several interventions have been associated with lower high-sensitivity CRP in studies that measured it, while others showed no change. Results may not apply equally across health conditions or study populations, and a clinician can help interpret an individual result in its medical context.