Figure 4

![Figure 4: Forest plots for straining severity (498 participants) and flatulence severity (153 participants) compare fiber supplementation against controls using standardized mean differences.]()

> Source: Alice van der Schoot et al. "The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Update." *The American journal of clinical nutrition*, 2022. PMID: [35816465](https://pubmed.ncbi.nlm.nih.gov/35816465/)

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  <img src="" alt="Forest plots for straining severity (498 participants) and flatulence severity (153 participants) compare fiber supplementation against controls using standardized mean differences." />
  <figcaption>Figure 4. Forest plots for straining severity (498 participants) and flatulence severity (153 participants) compare fiber supplementation against controls using standardized mean differences.<br>  Source: Alice van der Schoot et al. "The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Update." <em>The American journal of clinical nutrition</em>, 2022. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/35816465/">35816465</a></figcaption>
</figure>