In humans, seem to have the ability to block the formation of cancerous tumors.

In humans, phytonutrients have a powerful ability to block the formation of cancerous tumors. Phytonutrients are also called phytochemicals which are created by plants. Plants utilize phytonutrients to remain firm. For instance, some phytonutrients shield plants from creepy crawly assaults, while others shield against radiation from UV beams so as to the human body.