From: A natural mineral supplement provides relief from knee osteoarthritis symptoms: a randomized controlled pilot trial
Group
Month 1
Month 2
Month 3
Total
Placebo
39(38)*
27(27)
30(33)
89(88)
A
45(62)
19(22)
23(31)
87(96)
GS
25(20)
29(38)
31(50)
84(103)
G+A
26(55)
26(34)
27(46)
63(112)