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

Page: https://stenobird.com/podcast/rp-strength-podcast-257875/caffeine-tolerance-and-getting-your-pre-workout-to-work-again-with-dr-eric-trexler
Text version: https://stenobird.com/podcast/rp-strength-podcast-257875/caffeine-tolerance-and-getting-your-pre-workout-to-work-again-with-dr-eric-trexler.md
Podcast: [RP Strength Podcast](https://stenobird.com/podcast/rp-strength-podcast-257875)
Published: 2026-03-30T16:00:00+00:00
Episode link: https://rppodcast.libsyn.com/caffeine-tolerance-and-getting-your-pre-workout-to-work-again-with-dr-eric-trexler
Audio file: https://traffic.libsyn.com/secure/rppodcast/3-30_Eric_Trex.mp3?dest-id=1653215
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JSON: https://stenobird.com/v1/public/podcasts/rp-strength-podcast-257875/episodes/caffeine-tolerance-and-getting-your-pre-workout-to-work-again-with-dr-eric-trexler
Duration seconds: 3266

## Resource

Want to get even more jacked? Grab the RP Hypertrophy App for your training, and maximize your gym efforts with the RP Diet Coach App to nail your nutrition. 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

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## Transcript

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