Under 1 mg/L is conventionally low, 1 to 3 average, above 3 high, and above 10 usually means something acute is going on and the test should be repeated once it clears. Executive Health Edge draws it with interleukin-6 at month 0, 6, and 12, reads it against the wearable’s recovery trend, and treats an unexplained rise as a deload and sleep question before a training question; anything that warrants a medical decision goes to the program physician.
What the number is
C-reactive protein is a protein the liver produces in response to inflammation. The high-sensitivity assay measures the low levels that matter for long-term cardiovascular and metabolic risk rather than acute infection. Executive Health Edge draws it with interleukin-6 and immunoglobulin A at month 0, 6, and 12.
The conventional bands are under 1 mg/L low, 1 to 3 average, and above 3 high. Above 10 usually reflects something acute and the test is repeated once it clears, and a single value is best confirmed with a second draw. Your physician decides what any value means for you.
Why one reading is not enough
hs-CRP responds to a cold, a dental issue, an injury, and a hard session in the previous 48 hours. A single elevated value is a reason to retest. What the program watches for is a value that stays in the upper bands across draws in a man with no acute explanation, because that pattern often has a lifestyle cause.
What moves it
- Visceral fat. Fat around the organs is metabolically active and inflammatory. Losing it is a major lever.
- Sleep. Short or fragmented sleep raises inflammatory markers. The wearable shows it before the panel does.
- Alcohol. Directly, and through what it does to sleep and body composition.
- Training load versus recovery. Hard training raises inflammation transiently. Hard training that outruns recovery for weeks raises it persistently. That is a deload signal, not a “train harder” signal.
- Zone 2 cardio. Programmed weekly; it supports the fat loss and recovery capacity above.
How the program coaches it
Elevated hs-CRP or IL-6 with no acute illness, alongside a falling HRV trend on the wearable, is read as the load exceeding recovery. The response is a deload and a sleep fix. Persistent elevation with a stable training load is read as a body composition and alcohol question. Nothing on this list is a supplement.
What the research says
The ranges and levers on this page rest on published research. The main sources:
- The bands, and why one high value is retested. A CDC and American Heart Association statement sets hs-CRP under 1 mg/L as low, 1 to 3 as average, and above 3 as high, advises averaging two measurements about two weeks apart, and says a value above 10 should be repeated and checked for an infection or other inflammation (Pearson et al., Circulation, 2003).
- Short sleep raises it. hs-CRP rose under both total sleep loss and 10 nights of about four hours in bed, and stayed stable in people who slept normally (Meier-Ewert et al., Journal of the American College of Cardiology, 2004).
- Weight loss lowers it. Across 33 studies, each kilogram of weight lost lowered CRP by about 0.13 mg/L (Selvin et al., Archives of Internal Medicine, 2007).
What goes to the physician
Any value the lab flags, any value above 10, any persistent elevation with no lifestyle explanation, and any symptom paired with a rise route to the program physician in writing.
This page is coaching information, not medical advice. Questions about medication, hormones, or peptides go to the program physician.