إن أو برو

The pump is noticeable within 20 minutes, that citrulline malate and beetroot combo really shows up during my heavier sets. It's not some subtle thing either, the muscle fullness sticks around through the whole workout.

The mix of L-arginine and beetroot gives a noticeable pump about 20 minutes before lifting. Knocked a star off because the powder doesn't fully dissolve, leaving a gritty last sip, but the energy carry-through is worth it.