Caffeine, Tolerance, and Getting Your Pre-Workout to Work Again with Dr. Eric Trexler

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Dr. Eric Trexler's Links:

• RP article: Caffeine, The Double-Edged Sword
• Stronger by Science: The Lifter's Guide to Caffeine
• Instagram: @trexlerfitness
• ResearchGate: Eric Trexler publications
• Twitter/X: @EricTrexler

Timestamps:

00:00 Eric and Nick's BEEF 🥩

06:53 Caffeine's prevalence in fitness

09:10 Eric's caffeine research background

11:04 Daily caffeine intake (1g/day of caffiene safe?)

17:30 Effective dosing by bodyweight and when high doses backfire

22:30 Tolerance and habituation: why your caffeine stops working

30:15 Caffeine withdrawal: symptoms, timeline, and how bad it actually gets

41:30 Caffeine sensitivity and genetics

44:00 Practical upper limits and sleep tradeoffs

48:00 Strategic caffeine use, deloads, and re-sensitizing

50:15 Different delivery forms: drinks, food, pills, and gum

53:45 Does caffeine Dehydrate you? Wrap-up and where to read more