There is no RDA for phytochemicals because
A) their effect in the body is dependent upon their interactions with each other and other nutrients.
B) there has not been enough research on individual phytochemicals to reach any conclusions.
C) there are no negative effects associated with high levels of antioxidants.
D) phytochemicals are associated with micronutrients that already have established RDAs.

Question

Quizplus · Accepted Answer

Phytochemicals are not essential nutrients and do not have established RDAs. Their effects in the body are complex and can be influenced by interactions with other nutrients and phytochemicals, making it difficult to establish specific intake recommendations.

There Is No RDA for Phytochemicals Because