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Serotonin, Whole blood

Item# LC120089

Your Price:
$66.00 Save 25%

Serotonin, Whole blood

Item# LC120089

Retail Price: $88.00

Your Price: $66.00 Save 25%

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  • Serotonin, Whole blood
  • Item Catalog Number: LC120089

Serotonin is a neurotransmitter important in the transmission of messages between nerve cells. Serotonin helps us maintain a "happy feeling" and calms anxiety. It also plays a role in the wake-sleep cycle.

Normally, serotonin is present in small varying quantities in the blood. Large quantities of serotonin may be produced by carcinoid tumors that form in the gastrointestinal tract.

This blood test is used as an aid to diagnose carcinoid syndrome; a combination of symptoms caused by the release of serotonin into the blood stream by these tumors. Typical carcinoid symptoms include:

  • Flushing
  • Diarrhea
  • Abdominal pain
  • Wheezing
  • Valvular heart disease


Fasting is not required. Take all medications as prescribed.

The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.

Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.


Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.