Plant Diversity May Matter More Than Plant Quantity

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Nutrition research has traditionally emphasized the number of plant foods consumed, but scientists are increasingly interested in plant diversity. Diets containing a wide range of fruits, vegetables, legumes, nuts and whole grains appear to support a more diverse gut microbiome.

Microbial diversity is associated with improved metabolic and immune function. Rather than focusing on single “superfoods,” many experts now encourage dietary variety across plant-based foods.