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Order a complete metabolic panel and check your metabolism

€149,-

Comprehensive metabolic panel: electrolytes, kidney, liver, glucose, HbA1c, and protein.

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A metabolism test gives you insight, in one go, into how your body manages its internal balance: from electrolytes and kidney function to liver, blood sugar and protein. This complete metabolic panel bundles 16 blood values into a single draw.

You order online, need no referral and choose a certified sample point yourself. Your results are available online within a few working days, including an assessment by a BIG-registered doctor.

Why this test?

Your body constantly maintains a fine balance between salts, sugars, proteins and waste products. Shifts in these can develop gradually and often cause no noticeable symptoms in the early stages.

A metabolism test can bring changes in your kidney filtration, liver processing, blood sugar regulation or electrolytes into view before you notice them. For busy professionals, it is an efficient way to get preventive insight into your metabolism.

Who is this test for?

This panel may suit people who:

  • want a broad view of their metabolic health and organ function
  • want to check their kidney or liver function
  • would like to know more about their blood sugar regulation
  • take medications that may affect electrolytes or organ function
  • want to record a large blood test as a baseline

Would you like to measure more specifically? A doctor can advise which values are relevant for you.

What is tested?

This complete metabolic panel measures 16 blood values across five themes:

  • Electrolytes and minerals: Sodium, Potassium, Chloride, Bicarbonate and Calcium, involved in fluid balance, acid-base balance and nerve and muscle function.
  • Kidney function: Urea (BUN), Creatinine and eGFR, which together reflect your kidneys' filtration capacity.
  • Liver function: ALT, AST, ALP (Alkaline Phosphatase), Bilirubin (Total) and Albumin, enzymes and proteins that may reflect the activity and processing of your liver.
  • Blood sugar: Glucose (Fasting) and HbA1c, for your current blood sugar and the average over the past 2 to 3 months.
  • Protein: Total Protein, a combined measure of albumin and globulin in your blood.

What can this test tell you?

The values in this panel touch several interconnected systems. Creatinine and eGFR can say something about how well your kidneys filter, while urea adds context about your protein metabolism. Liver enzymes such as ALT and AST can show how active your liver cells are, and your electrolytes give an impression of your fluid and hydration balance.

Glucose and HbA1c together sketch both your blood sugar at the moment of measuring and the average over a longer period. A metabolic test is most useful when you view the values as a whole rather than in isolation. The result is not a diagnosis, but a set of data you can discuss with a doctor.

How is the sample collected?

For this test, blood is drawn at a certified sample point (afnamepunt). In the Netherlands you can choose from 700+ locations, which you select yourself after ordering, at a time that suits you.

Because this is a blood test without a referral, you do not need to see your GP first. A trained phlebotomist draws your blood, which usually takes only a few minutes.

When is this test useful?

A metabolism test can be useful when:

  • you want a broad overview of your metabolic and organ function
  • you take medications that may affect your liver, kidneys or electrolytes
  • you have a family history of kidney or liver conditions or diabetes
  • you want to track how your body responds to changes in diet or lifestyle

What do the results mean?

Each value appears alongside a reference range. Values within that range generally suggest normal function for that parameter. When a value falls outside it, that may be a point to discuss with a healthcare provider. An elevated creatinine with a reduced eGFR may, for example, fit altered kidney function, while raised liver enzymes may point to more liver cell activity.

Individual values can fluctuate due to hydration, diet and timing. A doctor can interpret your result in the context of your overall health picture.

Preparation

For reliable glucose values you need to fast for 8 to 12 hours before your appointment. Drinking water during that period is fine. A morning draw usually gives the most consistent readings.

Avoid strenuous exercise in the 24 hours before the test, and check with your doctor if you use medications that may affect your values.

What happens after the results?

Your results are usually available online within a few working days. You see your measured values, their reference ranges and a plain-language explanation for each marker. Values outside the expected range are clearly indicated.

Every blood test result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

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No Referral Needed

Frequently Asked Questions

Yes, reliable glucose values require fasting for 8 to 12 hours. Drinking water is fine. A morning draw works most comfortably for most people.
This panel measures 16 blood values across electrolytes, kidney function, liver function, blood sugar (glucose and HbA1c) and protein. Together they give a broad view of your metabolic balance.
No. You order this panel online and choose a sample point yourself. Your results are reviewed by a BIG-registered doctor.

From order to report in 4 steps

A blood test without referral means no waiting. Just order and go.

Choose your blood test

Browse our blood tests and pick what you want checked. Compare markers and prices, or build a custom test.

Receive your lab referral

On the same business day you'll receive an email from ZorgDomein with a barcode. Orders outside business hours are processed the next business day.

Get tested at a lab near you

Show the barcode on your phone and bring a valid ID. Done in under 15 minutes.

Receive your report from the doctor

A BIG-registered physician reviews your results and writes a personal report. On your dashboard within a few business days.

What We Test

This health panel includes 16 biomarkers to give you a comprehensive picture of your health.

Bicarbonate is an electrolyte that helps maintain the body's acid-base balance. It acts as a buffer in the blood, neutralising excess acids and helping to keep your pH within a healthy range.

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Calcium is the most abundant mineral in the body, essential for strong bones and teeth, muscle contraction, nerve signalling, and blood clotting. Most calcium is stored in bones and teeth, with a small amount circulating in the blood.

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Chloride is an essential electrolyte that helps maintain fluid balance, blood pressure, and the body's acid-base equilibrium. It works closely with sodium and potassium to regulate these vital functions.

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Potassium is an essential electrolyte and mineral that helps regulate heartbeat, muscle contractions, nerve signals, and fluid balance. It is one of the most important minerals for cardiovascular health.

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Sodium is a vital electrolyte that regulates fluid balance, blood pressure, and nerve and muscle function. It is the primary cation in extracellular fluid and is closely regulated by the kidneys.

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Fasting glucose measures the level of sugar (glucose) in your blood after an overnight fast. It is one of the primary tests used to screen for and monitor diabetes and pre-diabetes.

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HbA1c (glycated haemoglobin) reflects your average blood sugar levels over the past 2-3 months. It is the gold standard for long-term blood sugar monitoring and diabetes management.

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Albumin is the most abundant protein in the blood, produced by the liver. It maintains fluid balance, transports hormones and nutrients, and serves as an indicator of liver and kidney function.

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Alkaline Phosphatase (ALP) is an enzyme found in the liver, bones, kidneys, and digestive system. ALP levels can help evaluate liver health, bone disorders, and bile duct function.

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ALT (alanine aminotransferase) is a liver enzyme that serves as a key indicator of liver health. Elevated levels may suggest liver cell damage and can be associated with various liver conditions.

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AST (aspartate aminotransferase) is an enzyme found in the liver, heart, and muscle cells. Elevated levels may indicate liver damage, but because AST is present in multiple tissues, results are best interpreted alongside other liver markers such as ALT.

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Total bilirubin measures the combined amount of direct and indirect bilirubin in your blood. Bilirubin is a waste product formed during the normal breakdown of red blood cells, and elevated levels may indicate liver disease, bile duct problems, or increased red blood cell destruction.

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BUN (blood urea nitrogen) measures the amount of urea nitrogen in your blood, a waste product formed when the body breaks down protein. It is primarily used to evaluate kidney function and can be influenced by diet, hydration status, and liver health.

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Creatinine is a waste product generated by normal muscle metabolism that is filtered out of the blood by the kidneys. It is widely regarded as the gold standard marker for evaluating kidney function, as consistent production makes it a reliable indicator of filtration efficiency.

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eGFR (estimated glomerular filtration rate) is a calculated measure of how effectively your kidneys filter waste from the blood. It is the gold standard for diagnosing and staging chronic kidney disease and is derived from blood creatinine or cystatin C levels along with demographic factors.

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Total protein measures the combined amount of albumin and globulins in your blood. These proteins play essential roles in maintaining fluid balance, fighting infections, transporting substances, and supporting tissue repair.

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€149,-

Complete Metabolic Panel