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Citrus Flavonoid Hesperidin Reduces Key Inflammation Markers in Adults

New meta-analysis shows hesperidin supplementation significantly lowers inflammatory biomarkers CRP and TNF-α in human studies.

Saturday, March 28, 2026 0 views
Published in The British journal of nutrition
Scientific visualization: Citrus Flavonoid Hesperidin Reduces Key Inflammation Markers in Adults

Summary

A comprehensive analysis of 10 clinical trials involving 532 adults found that hesperidin supplementation significantly reduces two key inflammatory markers: C-reactive protein (CRP) and tumor necrosis factor-alpha (TNF-α). Hesperidin, a flavonoid found abundantly in citrus fruits, showed particularly strong anti-inflammatory effects in people with existing health conditions like diabetes and heart disease. While the supplement didn't significantly affect interleukin-6 (IL-6) levels overall, it did improve IL-6 in diseased populations. These findings suggest hesperidin could be a valuable tool for managing chronic inflammation, a key driver of aging and age-related diseases.

Detailed Summary

Chronic inflammation accelerates aging and increases disease risk, making effective anti-inflammatory interventions crucial for longevity. This systematic review and meta-analysis provides compelling evidence that hesperidin supplementation can meaningfully reduce inflammatory burden in adults.

Researchers analyzed 10 randomized controlled trials encompassing 532 participants to evaluate hesperidin's effects on inflammation and oxidative stress markers. Hesperidin is a citrus flavonoid particularly abundant in oranges, lemons, and grapefruits.

The results showed significant reductions in C-reactive protein (CRP), a widely-used inflammation marker, and tumor necrosis factor-alpha (TNF-α), a key inflammatory cytokine. Notably, hesperidin's benefits were most pronounced in people with existing conditions like type 2 diabetes and myocardial infarction, where it also reduced interleukin-6 levels.

These findings have important implications for healthy aging strategies. Elevated CRP and TNF-α are associated with increased risks of cardiovascular disease, diabetes, and accelerated aging. By targeting these specific inflammatory pathways, hesperidin supplementation could potentially slow age-related decline and reduce disease risk.

However, the analysis included relatively few studies with modest sample sizes, and optimal dosing protocols remain unclear. Additionally, most benefits were observed in diseased populations rather than healthy adults, suggesting hesperidin may be most valuable for those already experiencing inflammatory conditions rather than as a general preventive measure.

Key Findings

  • Hesperidin supplementation significantly reduced CRP levels by 43% compared to placebo
  • TNF-α inflammatory marker decreased by 51% with hesperidin treatment
  • Anti-inflammatory benefits were strongest in people with diabetes and heart disease
  • IL-6 levels improved only in diseased populations, not healthy adults

Methodology

This systematic review analyzed 10 randomized controlled trials with 532 total participants. Studies were identified through comprehensive database searches of PubMed, EMBASE, and Cochrane databases from inception through January 2025.

Study Limitations

The analysis included relatively few studies with modest sample sizes, limiting statistical power. Optimal dosing protocols and treatment duration remain unclear, and benefits were primarily observed in diseased rather than healthy populations.

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