Research
Mixed
Consumption of vegetable fiber reduces the risk of type 2 diabetes, but this effect is only statistically significant in studies with a follow-up period of 10 years or more.
Long-term consumption of vegetable fiber is key to reducing diabetes risk. Short-term studies may not capture the full benefit. Incorporate vegetables into your diet consistently over many years to realize the protective effects of vegetable fiber.
ModerateQualifiesMEDIUM confidence
Overall, there were significant associations between the risk of type 2 diabetes and the consumption of vegetables fiber in studies with a follow-up time of 10 years or more
Why this rating
Subgroup analysis of a meta-analysis; the overall effect was not significant (RR 0.94, CI 0.86-1.03), requiring long-term follow-up to see the benefit.
Source
Higher intake of fruits, vegetables or their fiber reduces the risk of type 2 diabetes: A meta‐analysis
Pingyu Wang et al. · Journal of Diabetes Investigation · 2015
DOI 10.1111/jdi.12376
Meta-analysis · 23 studiesCited 325×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Higher intake of total fruit, specifically berries, green leafy vegetables, yellow vegetables, and cruciferous vegetables, is associated with a reduced risk of developing type 2 diabetes.Good
- Consumption of fruit fiber reduces the risk of type 2 diabetes, but this effect is only statistically significant in high-quality studies (Newcastle-Ottawa Scale score ≥ 7).Moderate
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