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Evidence-Based Supplement Research
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Aloe Vera and Reduced Pain

Research synthesisLow evidenceMixed effect size3 studies · 2 beneficial · 1 neutral · 0 harmful

Across 3 studies, 2 reported beneficial effects of aloe vera on pain reduction; effect sizes were small to moderate. The evidence base is small and mixed, with one meta-analysis showing no significant benefit for oral ulcers pain (SMD -0.12, 95% CI: -1.84-1.60) while another meta-analysis and systematic review found small beneficial effects for recurrent aphthous stomatitis and radiation-induced oral mucositis pain. Dosing and study duration were not consistently reported, and no specific form of aloe vera was identified as most studied.

  • Studied populations: patients with recurrent aphthous stomatitis, head and neck cancer patients with oral mucositis

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. One of the two meta-analyses (2022) showed no statistically significant effect on pain scores, contrasting with the beneficial findings in the other two studies; this inconsistency weakens the overall evidence. Doses and forms were not reported across studies, limiting practical application.

Generated Jun 9, 2026
Safety in these studies
3 of 3 papers
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