Perspective: Closing the Dietary Fiber Gap: An Ancient Solution for a 21st Century Problem.
Level 5 - mechanism / opinion, no new human data
Narrative perspective and commentary without original empirical data or systematic review methodology.
PubMed 27422499 · doi:10.3945/an.115.009696
What was done
This perspective evaluated the persistent shortfall in dietary fiber intake in the United States and examined the scientific rationale for utilizing pulse crops (grain legumes such as common beans, chickpeas, lentils, and garden peas) as an accessible, concentrated dietary intervention to address this deficiency.
What was found
Recommended daily dietary fiber intake ranges from 28 to 42 g/day, whereas actual median consumption is 12 to 14 g/day. Less than 5% of Americans meet dietary fiber guidelines, representing an overall shortfall of approximately 50% to 70%. Despite consumer education, nutrition labeling, and fiber-enriched cereal products, this gap has persisted for decades.
Why it matters
Dietary fiber plays a critical role in normal physiology and the prevention of chronic disease. Highlighting pulse crops provides a practical, cost-effective dietary target to help meet public health fiber recommendations.
Limits
The abstract describes a narrative perspective rather than an empirical trial or systematic review. It does not report primary human intervention data, clinical outcomes, or specific quantification of pulse crop bioavailability or acceptability.
Cited by
- supports Approximately 95% of people do not consume sufficient dietary fiber.