Evidence-Based Supplement & Herb Guides

Albumin Blood Test: Low Levels, Inflammation, Nutrition Status, and Liver Health

Understand what a low albumin blood test can mean, including inflammation, liver disease, kidney or gut protein loss, fluid dilution, nutrition risk, follow-up tests, and treatment.

An albumin blood test measures the concentration of albumin, the most abundant protein in blood plasma. The liver makes albumin, but the result reflects...

Albumin/Globulin (A/G) Ratio Test: High, Low, Inflammation, and Immune Meaning

Learn how to interpret a high or low albumin/globulin ratio, including inflammation, immune activity, liver and kidney causes, protein electrophoresis, and useful follow-up tests.

The albumin/globulin ratio compares the amount of albumin in blood with the calculated amount of globulins. It is usually reported with a total protein...

Alpha-1 Acid Glycoprotein Test: High Levels, Acute Phase Response, and Inflammation Meaning

Understand alpha-1 acid glycoprotein test results, high and low levels, acute-phase inflammation, reference ranges, drug binding, causes, and follow-up.

Alpha-1 acid glycoprotein is a blood protein that often rises when the body is responding to inflammation, infection, injury, or major physical stress. It...

Calprotectin Blood Test: High Levels, Neutrophil Inflammation, and Meaning

Understand blood calprotectin, high levels, neutrophil activation, serum versus plasma differences, infection and arthritis uses, limitations, and follow-up.

A calprotectin blood test measures a protein complex released mainly by activated neutrophils and monocytes. These cells are early responders in infection and inflammation,...

Ceruloplasmin Blood Test: High Levels, Inflammation, Copper, and Liver Disease Meaning

Understand high and low ceruloplasmin blood test results, inflammation effects, copper patterns, Wilson disease clues, liver causes, ranges, and follow-up.

Ceruloplasmin is a liver-made blood protein that carries most circulating copper and helps regulate iron metabolism. The test is best known for its role...

Chronic Inflammation Blood Test Panel: CRP, ESR, CBC, Ferritin, and Immune Markers

Understand how CRP, ESR, CBC, ferritin, iron studies, and immune markers work together to assess chronic inflammation, interpret common patterns, and guide follow-up testing.

A chronic inflammation blood test panel does not diagnose one specific disease. Instead, it looks for patterns that suggest ongoing immune activity, infection, tissue...

C-Reactive Protein (CRP) Test: Normal Range, High Levels, Causes, and Inflammation Meaning

Learn what a CRP blood test measures, normal ranges and units, common causes of high levels, standard versus hs-CRP, and how trends guide inflammation care.

C-reactive protein is one of the most widely used blood markers of inflammation. The liver releases CRP when immune signals indicate infection, tissue injury,...

Erythrocyte Sedimentation Rate (ESR) Test: Normal Range, High Levels, and Inflammation Causes

Learn how the ESR blood test works, normal ranges by age and sex, causes of high and low results, ESR versus CRP, and when follow-up is needed.

The erythrocyte sedimentation rate, or ESR, is a blood test that measures how far red blood cells settle in a vertical tube during one...

Fecal Calprotectin Test: Gut Inflammation, IBD, Normal Range, and High Levels

Understand fecal calprotectin normal and high ranges, IBD versus IBS use, causes of elevation, stool collection, medication effects, monitoring, and follow-up.

A fecal calprotectin test measures a neutrophil-derived protein in stool. When the intestinal lining is inflamed, neutrophils move into the gut and release calprotectin,...

Ferritin Blood Test: High Levels, Iron Stores, Inflammation, and What It Means

Understand what a high ferritin blood test can mean, how inflammation can mask iron deficiency, and how clinicians assess iron overload, liver disease, and related causes.

A ferritin blood test is often described as a measure of stored iron, but that description is only part of the story. Ferritin is...

Fibrinogen Blood Test: High Levels, Inflammation, Clotting Risk, and Cardiovascular Meaning

Learn what a high fibrinogen blood test means, how inflammation affects it, and why the result is associated with clotting and cardiovascular risk without diagnosing a clot.

A fibrinogen blood test measures a liver-made protein with two important roles: it helps form blood clots, and it rises during the body's inflammatory...

Globulin Blood Test: High Levels, Inflammation, Immune Activity, and Protein Balance

Learn what a high globulin blood test means, how inflammation and immune activity affect protein balance, and when electrophoresis or monoclonal protein testing may be needed.

A globulin blood test result usually appears on a comprehensive metabolic panel or liver panel, but “globulin” is not one single protein. It is...

Haptoglobin Blood Test: High Levels, Inflammation, Hemolysis, and Meaning

Understand what high and low haptoglobin blood test results mean, how inflammation can mask hemolysis, and which companion tests help identify red blood cell destruction.

The haptoglobin blood test is best known for helping evaluate hemolysis—the premature destruction of red blood cells. Haptoglobin is made by the liver and...

High-Sensitivity C-Reactive Protein (hs-CRP) Test: Heart Disease Risk, Inflammation, and Meaning

Learn what an hs-CRP test measures, how to interpret heart-risk ranges, why levels rise, when to repeat testing, and how to reduce cardiovascular risk.

The high-sensitivity C-reactive protein test, usually written as hs-CRP, measures very small amounts of C-reactive protein in the blood. The liver produces this protein...

Inflammatory Marker Panel: CRP, ESR, Ferritin, Fibrinogen, and Chronic Inflammation

Compare CRP, ESR, ferritin, and fibrinogen in an inflammatory marker panel, including their timing, limitations, chronic inflammation meaning, and useful next steps.

An inflammatory marker panel is not one universally standardized test. It is a group of laboratory measurements selected to answer a clinical question, often...

Lactoferrin Test: Gut Inflammation, Infection, IBD, and High Levels

Learn what a high fecal lactoferrin test means, how it detects gut neutrophil inflammation, and how clinicians distinguish IBD, infection, and noninflammatory bowel symptoms.

A fecal lactoferrin test measures an iron-binding protein released mainly by activated neutrophils in the digestive tract. When these white blood cells enter the...

Neutrophil Count Test: High Levels, Infection, Inflammation, and Immune Response

Understand a high neutrophil count, including ANC, infection and inflammation patterns, steroid and stress effects, left shift, and signs that need further blood evaluation.

A neutrophil count test measures the most abundant type of white blood cell in most adults. Neutrophils are rapid-response immune cells that leave the...

Neutrophil-to-Lymphocyte Ratio (NLR) Test: Inflammation, Immune Stress, High Ratio, and Meaning

Understand what the neutrophil-to-lymphocyte ratio means, why NLR may be high, how inflammation and immune stress affect it, and why context matters.

The neutrophil-to-lymphocyte ratio (NLR) is a calculated value from a complete blood count with differential. It compares two white blood cell populations: neutrophils, which...

Plasma Viscosity Test: High Levels, Inflammation, Blood Thickness, and Meaning

Learn what a plasma viscosity test measures, why levels may be high, how it compares with CRP and ESR, and when “thick blood” may signal an emergency.

A plasma viscosity test measures how strongly the liquid portion of blood resists flow. The result is influenced mainly by proteins dissolved in plasma,...

Platelet-to-Lymphocyte Ratio (PLR) Test: Inflammation, Immune Balance, High Ratio, and Meaning

Understand how the platelet-to-lymphocyte ratio is calculated, what a high PLR may mean, why cutoffs vary, and how inflammation and immune changes affect it.

The platelet-to-lymphocyte ratio (PLR) is calculated from two components of a complete blood count: the platelet count and the absolute lymphocyte count. Platelets help...