It’s time to choose a new pre workout. You’ve researched your ingredients and you’ve got a good idea of which ingredients you’re after. But one term keeps popping up on your search – proprietary blends. What are they and why are they so popular in pre workout supplements? In this article we tell you exactly why this type of supplement should set off the alarm bells and why you should stay well clear. Here’s what we’ll cover: What are proprietary blends? Are they legal? Are they safe and effective? Is there a better option? What Are Proprietary Blends? If you...