There are no established side effects of wheat grass.

The sellers of wheat grass have made a large number of claims for the product. The following list is representative

Wheat grass is commonly prepared as a juice, and is consumed either alone, or as a mixture with other juices.

Wheat grass, depending on the dose, is a dietary supplement, although the concentrations of some nutrients may be low.

While some of the claims made for wheat grass are based on laboratory studies, there do not appear to be clinical studies or any form of confirmation from human studies of any form.