Nutrition

Kidney & urinary

Total Protein Blood Test

What it measures

Proteins and amino acids

Clinical significance

This test is often included in a comprehensive metabolic panel¹ and is used to assess overall health, including liver function², kidney function³, and nutritional status⁴. Total Protein reflects the combined levels of the main blood proteins—albumin and globulins—which play key roles in immune defense, transport of substances, and maintaining fluid balance in the body.

Measuring total protein helps identify and monitor conditions that affect protein metabolism. For example, low levels may be associated with inadequate protein intake or conditions such as protein-energy wasting (PEW)—a state of decreased body protein and energy stores⁴. This condition often occurs in chronic diseases or malnutrition and is associated with poorer health outcomes.

🔍 Reference range:

~60–80 g/L (may vary).

📌 Total Protein and overall health:

Total protein levels reflect the balance between protein synthesis (mainly in the liver) and protein loss (e.g., through the kidneys or gastrointestinal tract). Disruption of this balance may indicate a wide range of conditions, from inflammation to liver and kidney disease.

Symptoms that may lead to this test include:

  • Swelling (feet, ankles, abdomen) — a sign of fluid imbalance¹
  • Fatigue
  • Unexplained weight loss
  • Loss of appetite
  • Nausea and vomiting
  • Jaundice — a possible sign of liver disease¹
  • Blood in urine — a possible sign of kidney disease¹

🔍 What levels are considered optimal?

Optimal total protein levels are typically in the upper part of the reference range and reflect adequate nutritional status and absence of significant inflammation.

📌 Age-related changes:

✅ In younger individuals, levels are usually stable and closer to the upper range.

✅ With age, a slight decline may occur, especially with reduced muscle mass or dietary changes.

When should you pay attention?

  • High levels may be associated with chronic inflammation or increased immune protein production.
  • Low levels may indicate poor nutrition, malabsorption, or protein loss (e.g., kidney conditions).
  • Significantly low levels may be a marker of protein-energy wasting (PEW)⁴ and declining health status.

Regular monitoring of total protein can help detect metabolic imbalances, assess nutritional status, and identify potential risks early.

References:

1. https://medlineplus.gov/lab-tests/total-protein-and-albumin-globulin-a-g-ratio/ 2. https://pubmed.ncbi.nlm.nih.gov/26420218/ 3. https://pmc.ncbi.nlm.nih.gov/articles/PMC4503704/ 4. https://pmc.ncbi.nlm.nih.gov/articles/PMC7356781/

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Real ratings and reviews from the Healsens app on the App Store and Google Play.

5.0 · 6 ratings · App Store

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4.5 · 17 ratings · Google Play

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My journey back to health with Healsens. Thank you!!

That's when I turned to a nutritionist and ordered a blood test through Healsens. … Four months later, I retested. My biological age dropped to 24—nearly a decade younger than my real age.

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Useful app to track analytics and 2nd opinion

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A useful app. It motivates me to lead a healthy lifestyle and monitor my diet. After the test results, I decided to change my diet – I cut out flour and chocolate. I lost 2 kg in about a week. We'll see how the test results look over time.

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