Glad I could help. The wife and I drink it daily and it works and it's cheap and easy to get.
Amazon may still carry quinine. I have some from Amazon. A friend uses it and other items for a great level or arthritis relief, in addition to prophylaxis.
I've read the Royal Navy gave every sailor a ration of Gin and Tonic and limes . Tonic for Malaria and lime for Scurvy and Gin for good spirits.
Modern tonic water contains very littke quinine. I think it used to be much more potent.
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