I was thinking that b.c caffeine is a xanthine, and things like Yerba Mate and Cocoa don't actually contain caffeine (contrary to popular belief), but different xanthines (Maiteine and Theobromine respectively), perhaps cycling between the different stimulating xanthines every day in order to stave off desensitization to any one xanthine. perhaps the stimulating effects would be more pronounced and effective via this strategy. Any thoughts?
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Advocacy & Research for Unlimited Lifespans