I’ve been lifting weights for over two decades. And for most of those years, I walked into the supplement aisle, grabbed whatever pre-workout had the flashiest label, mixed a scoop into my shaker cup, and hoped for the best. Sometimes I’d feel that caffeine tingle. Sometimes nothing. Sometimes I’d get a “pump” that lasted twenty minutes and left me wondering if I’d just paid $45 for flavored water. It wasn’t until my team and I decided to do a systematic label audit — forty pre-workout supplements, spread across a spreadsheet, with every single ingredient cataloged by dosage — that the…