Do Tiger Nuts Have Health Benefits? We Review the Research

This article cites 19 scientific papers and reviews 9 popular claims.

Introduction
One of the latest health fads is tiger nuts. The tiger nut (Cyperus esculentus L.) is a plant of the sedge family and looks a bit like grass. The tiger nut is native to Valencia, Spain but also grows well in other temperate zones.
It was cultivated in ancient Egypt and dates back to at least the fourth millennium BC. Christopher Columbus does not get the credit for this one because he did not bring the tiger nut to the Americas.
Research shows that the tiger nut came to America via long-distance dispersal (i.e. pollination) long before the arrival of the famous Italian explorer (1). In fact, tiger nuts are known to have been used as a food source by both native Americans and the Maya.
There are lots of things that were popular in ancient civilizations that we have left behind us. So what is all the hype about tiger nuts these days? Tiger nuts are purported to be helpful for enhancing blood circulation, lowering cholesterol, preventing heart disease and thrombosis, in addition to reducing the risk of colon cancer. They are also marketed as an aphrodisiac.
There is no doubt that tiger nuts are growing in popularity in the western world. There are currently over 200 tiger nut-based products for sale on Amazon.
Is this self-indulgent exoticism or a proven functional food?
Table of Contents [hide] Introduction
What Are Tiger Nuts?
Is There Any Research?
Are Tiger Nuts High in Fiber?
Is Tiger Nut

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