Tablets identical to "Test" in appearance and taste but containing no active ingredient clinical trials

Efficacy and tolerability of horse chestnut seed extract on swelling in patients undergoing meniscus surgery: a placebo-controlled, randomized, double-blind, single-center, pilot study

This study is looking into whether horse chestnut tablets can help reduce swelling and pain after knee surgery. They will compare it to a dummy pill to see if it makes a difference to how quickly people recover and feel better.