Your buddy at the gym has been talking about the AAKG supplement for a while now. And, yeah, he’s looking pretty strong. But should you take AAKG—short for arginine alpha-ketoglutarate ...

For hardcore lifters—including 3-time Men’s Physique Olympia Champion & reigning champion Jeremy Buendia and 17-time Olympia-winning coach Hany Rambod, featured in the video above—few things ...