Piperine: A review of its biological effects 

This systematic review published in 2021 assessed the health promoting effects of piperine found in black pepper (Piper nigrum). Piperine has also been documented for its hepatoprotective, anti-allergic, anti-inflammatory and neuroprotective properties. 

References:

Haq, I. U., Imran, M., Nadeem, M., Tufail, T., Gondal, T. A., & Mubarak, M. S. (2021). Piperine: A review of its biological effects. Phytotherapy research : PTR, 35(2), 680–700. https://doi.org/10.1002/ptr.6855