“Proprietary blend” shows up often on supplement labels. Here's what it actually discloses, and what it doesn't.
A proprietary blend label names every ingredient included, typically listed in descending order by weight.
The individual amount of each ingredient isn't broken out, so you can't directly compare the formula to doses used in published research on any single ingredient.
Nerve Ease discloses magnesium's specific form (Glycinate) while combining the remaining five ingredients in a proprietary blend — partial transparency worth understanding before you buy.