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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Big effect

A single 500 mg dose of quercetin before C-section dropped postoperative pain scores sharply—but the effect was seen in a specific surgical population, not a general one.

This large, well-measured pain reduction is promising but comes from a first-of-its-kind trial in pregnant women undergoing cesarean section, so the result needs replication before it can be assumed for other types of surgery or patients.

In a double-blind trial of 80 women, those who took 500 mg of quercetin before a C-section reported significantly less pain in the 24 hours after surgery, and they waited longer before needing extra painkillers. However, the study also found that quercetin didn't reduce total morphine use, vomiting, or hospital stay length, so the benefit was specific to pain intensity and timing, not overall recovery.

Where this fits in the evidence

This is among the first studies we've indexed on Quercetin for Reduced Postoperative Pain Intensity — treat it as an early signal until more research accumulates.

The study

The Adjunctive Effect of Quercetin on Postoperative Pain Management Following Cesarean Section: A Randomized Controlled Study.

  • Randomized Controlled Trial (RCT)
  • n = 80
  • 2025-07-14
  • Drug design, development and therapy
More on QuercetinMore on Reduced Postoperative Pain Intensity

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.

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