The Pump Files — Citrulline, Arginine & the Truth About Vasodilator Supplements

Nitric oxide boosters are one of the few pre-workout categories with genuinely solid science behind them. The problem is almost never the ingredient — it's the amount, and which form it's in.

This deep dive breaks down exactly how pump products are dosed, where labels quietly cut corners, and whether the pump actually translates to more reps.

Inside you'll find:

• The citrulline malate trick that can cut your real dose in half without changing the label
• Why citrulline beats arginine for raising blood flow, even at a lower listed dose
• The actual research on whether "the pump" helps you lift more
• A label-reading cheat sheet built specifically for pump and pre-workout products

6 pages. Instant PDF download.

Know exactly what you're paying for before your next pre-workout purchase.