Pre-Workout Expiration Dates Are Lying to You — We Tested 15 'Dead' Tubs in a Real Lab
We sent 15 expired pre-workout tubs to an independent lab to measure actual ingredient potency — and what came back seriously questions whether the expiration dates on your supplements are based on science or sales strategy. Caffeine, beta-alanine, and citrulline all tell very different stories once you look at the real numbers. Here's what we found, and what it means for your wallet.