Phytochemicals are best described as:

• A. Non-nutritive chemicals found in plants that may have health benefits.
• B. Nutrient providing plant chemicals that do not provide energy.
• C. Non-digestible chemicals that add bulk to feces.
• D. Plant chemicals that are used to fight cancer.

Answer: (A)

Verified step by step guidance

1. Understand the term 'phytochemicals': Phytochemicals are naturally occurring compounds found in plants that are not classified as essential nutrients (like vitamins or minerals) but may provide health benefits.
2. Clarify the role of phytochemicals: They are non-nutritive, meaning they do not provide energy or calories, but they can have protective or disease-preventing properties, such as acting as antioxidants or supporting the immune system.
3. Eliminate incorrect options: Phytochemicals are not digestible chemicals that add bulk to feces (this describes dietary fiber), nor are they exclusively used to fight cancer (though some may have anti-cancer properties).
4. Focus on the correct description: Phytochemicals are best described as non-nutritive chemicals found in plants that may have health benefits, as they do not provide energy but can contribute to overall health.
5. Conclude by emphasizing their importance: Phytochemicals are a key component of a plant-based diet and are found in fruits, vegetables, whole grains, and legumes, contributing to the prevention of chronic diseases.