B-type natriuretic peptide (BNP) is a hormone produced by the heart in response to changes in pressure when heart failure develops and worsens. This test measures the level of BNP in your blood to assess your risk of heart failure.
UK's first direct-to-consumer blood testing service. 
We've delivered over 7.5 million test results. 
We've helped over 200,000 people take control of their health. Biomarker table
Heart health
NT Pro BNP
Learn more
Blood testing made easy
How it works
Your personalised, actionable health results are only a few clicks away. Order your test, take and post your sample, then view your results online with our doctors' comments.
Your results, simplified
Track, improve, and monitor your health over time
MyMedichecks is your personal online dashboard where you can view your results, access clear and simple explanations about individual health markers, monitor changes in your health, and securely store information about your medical history, lifestyle, and vital statistics.
FAQs
What could high BNP levels mean?
The level of BNP in the blood increases when heart failure symptoms worsen and decreases when the heart failure condition is stable. The BNP level in a person with heart failure - even someone whose condition is stable - is higher than in a person with normal heart function.
What is BNP?
B-type natriuretic peptide (BNP) is a substance secreted from the ventricles or lower chambers of the heart in response to changes in pressure that happen when heart failure develops and worsens.