Powder Burn takes on athlete’s pre-workouts, Rival Us launch the first one in Blaq Series

Rival Us have released the first supplement in their new Blaq Series. Powder Burn is a military grade pre-workout that combines citrulline, beta alanine, caffeine, red ginseng and two new ingredients, hedra helix leaf and tiger nut powder. It is a smart formula, with just 6 different elements it should provide some clean energy. Rival are taking a banned substance free angle on this one so they have entered into some heavy competition. The Blaq range is looking like a high end series designed for athletes so it will be good to see their future releases.