New evidence
Propolis supplementation linked to a 35-point drop in an immune-activating signal — but not all inflammatory markers budged in the same meta-analysis.
This is the first meta-analysis to isolate a significant effect on MCP-1, a protein that orchestrates immune cell migration, but the same review found no impact on other key inflammatory markers like IL-6 and IL-10 — meaning the anti-inflammatory profile of propolis remains selective and not yet fully understood.
MCP-1 acts like a homing beacon for immune cells, and lower levels suggest reduced recruitment to sites of inflammation. In a meta-analysis of 27 trials, propolis was associated with a large decrease in MCP-1 (average drop of 35 units). However, other inflammatory signals such as IL-6, IL-10, and IL-1β showed no significant change, and the doses used across studies were not specified in the analysis, so caution is warranted before generalizing the results.
Where this fits in the evidence
This is among the first studies we've indexed on Propolis for Reduced Monocyte Chemoattractant Protein-1 Level — treat it as an early signal until more research accumulates.
The study
- Systematic Review
- 2025-05-12
- Frontiers in nutrition
This is a plain-language summary of a research finding, not medical advice. Pillser surfaces research signals to help you decide what's worth investigating — always consult a qualified professional before changing what you take.