The Rein Blog
Training, supplementation, and recovery — broken down without the bro-science. Real, evidence-based guidance to help you get more out of every session and train for the long game.
How Long Before a Workout Should You Take Pre-Workout? (2026)
Timing your pre-workout wrong quietly wastes it. Here's exactly how long before training to take it — and why ~20 minutes lines up with the science.
How to Read a Pre-Workout Label Like a Formulator (2026)
Learn to read a pre-workout label like a formulator: spot proprietary blends, clinical doses, and under-dosed actives before you buy.