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The Journal

Practical reads on bioavailability, label literacy, and habits that make supplements work harder for you.

Pre-Workout Myths: Caffeine, Empty Stomach Cardio and What Actually Matters

Fasted cardio burns more fat? You need a pre-workout powder? Clearing up the common myths about what to do before exercise.

BhLabs • Oct 29, 2026

caffeinefitnesspre-workout

Tired of Coffee Jitters? What Actually Helps Focus Without the Crash

Third coffee, shaky hands, still can't concentrate. Why caffeine stops working when you're burnt out, and what research says about sleep, L-theanine, tyrosine and brahmi.

BhLabs • Oct 29, 2026

brain healthcaffeinefocus