https://pubmed.ncbi.nlm.nih.gov/14609531/?dopt=Abstract
The effects of Zintona EC (a ginger extract) on symptomatic gonarthritis
Zintona EC was as effective as placebo during the first 3 months of the study, but at the end of 6 months, 3 months after crossover, the ginger extract group...
ginger extracteffects