HI, I bit and Goggled it and found that one of the waters still contain quinine while many donot contain enought to really effect anything.
Water is a big Plus
Quinine water may ease cramping and relax muscles.
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Quinine has been used for some years for the relief of leg cramps, a problem that affects many people while sleeping at night. In 2006, the Food and Drug Administration banned drugs that contain quinine, except for the anti-malaria drug qualaquin. Consumers still seeking relief for leg cramps can find quinine in several brands of tonic water, including Schweppes. The quinine helps relax leg muscles.
Read more: Quinine in Tonic Water & Leg Pain | eHow.com http://www.ehow.com/about_5410988_qu...#ixzz0s554myMu
so you may be on to something should have bought some after my time trial whew that was real leg pain...
Doug