OPERATING ON THE EDGE
INSIGHTS
Caffeine
Perform Better on Less Sleep? All About Creatine and Sleep
Now and then, you don’t get enough sleep. When that happens once, it doesn’t affect you much. But while you might feel like the effects of back-to-back nights of poor sleep only accumulate to a point, the gloomy reality is...
Read intel
Cognition
L-Tyrosine: Effects on Memory, Mood, ADHD, and More
19 May 2026
Lots of people have recently become interested in whether supplementing with L-tyrosine can improve performance at work and lift mood, in part because of...

Caffeine
In Defense of Caffeine
19 May 2026
Have you ever felt confused about whether caffeine is good or bad for you? I certainly have, and because of this, my caffeine intake has...
Topics
AllAltitudeAntioxidantArthritisAspirinBeetrootBerriesBlood clottingBlood PressureBlood SugarBlue ZonesBodyweightCaffeineCancerCapsaicinCarbohydrateCardiovascular HealthCatechinsCircadian RhythmsClimateCoffeeCognitionCognitive LoadCold ExposureCollagenCommon ColdCOVID-19Creatine MonohydrateCross FitCyclingDiabetesDietary IronDopamineDUPDysmenorrhoeaEnduranceEndurance TrainingExercise-Induced Gastrointestinal SyndromeExpeditionFastingFatFat LossFertilityFuel For The Work RequiredGB SnowsportGingerGingko BilobaHabitsHormonesHuman PerformanceHydrationHypoxiaHyroxImmune FunctionImmune SystemL-TheanineL-TryptophanL-TyrosineLong Range FuelLongevityMigrainesMoodMotivationMotor SkillsMountaineeringMuscle MassNappingNauseaNitrate SupplementationNoradrenalineNSAIDsNutritionOcean RowingOxidative StressPain ReliefPhenylketonuriaPhysical ActivityPostpartum DepressionProductivityProteinRugbyRunningS&CScienceScurvySDTSeasonal Affective DisorderSITSleepSleep DeprivationSleep ExtensionStrength And PowerStrength TrainingStressSwimmingTeaTestosteroneThermoregulationThyroid FunctionTyrosinaemiaUltra MarathonVitamin CVomitingWarfarin
