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Spleen Extract


Spleen extract refers to compounds harvested from the spleens of some animals. It has been used improve spleen function in people. Spleen extract can be taken as a pill.


There are no advised doses for spleen extract.

What Research Shows

There is not enough data to support that spleen extract is helpful in treating health problems. We will review future studies as they are published.

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

Not enough studies have been done to say whether it is safe to take spleen extract.1


Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.



1. Import alert 17-04. US Food and Drug Administration website. Available at: Accessed June 10, 2019.

Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC  Last Updated: 3/27/2020