Magazine
Guarana powder: caffeine, effects and dosing pitfalls
Guarana powder is a concentrated natural source of caffeine. Natural does not mean mild, and...
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Caffeine powder: tiny dosing errors can pose a serious risk
Pure or highly concentrated caffeine powder is particularly dangerous for consumers because small measuring errors...
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Guarana: Caffeine, Effects and Safe Use
Guarana is primarily a concentrated source of caffeine. Actual caffeine content, timing and total intake...
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