Figure 6From: Comparison of glucosamine sulfate and a polyherbal supplement for the relief of osteoarthritis of the knee: a randomized controlled trial [ISRCTN25438351]Sequential changes in total WOMAC scores (pain, stiffness and function) for reparagen (red, n = 48) and glucosamine (blue, n = 47). Both treatments resulted in a significant reduction in baseline WOMAC total scores from week 1 (reparagen p < 0.01, glucosamine p < 0.05), with further improvements with sustained administration (p < 0.001).Back to article page