l-arginine
Latest FitnessVolt reporting, athlete updates, results, and analysis related to l-arginine.
1 published stories
Bodybuilding
Arnold Schwarzenegger Questions ‘Performance Boost’ From 2 Popular Pre-Workout Ingredients
Bodybuilding legend Arnold Schwarzenegger is taking a hard look at two popular pre-workout supplements. In an Arnold’s Pump Club newsletter shared on Dec. 10, 2025, he weighed the…
Latest stories
Newest coverage first.