Weider arginine + ornithine 4000 with L-arginine and L-ornithine are capsules for swallowing. A sports food for muscle building training, performance training or, for example, bodybuilding, which is ideally suited as a nutritional supplement. The capsules with L-arginine and L-ornithine von Weider are easy to dose. Weider Arginine + Ornithine Sports Food is suitable for every training phase as a nutritional supplement. You can get sports food for bodybuilding, fitness, gymnastics, endurance training, muscle building training in a large selection from us. Are you looking for a meaningful article description? A detailed and comprehensive representation of dietary foods is no longer possible according to the current EU law and the Health Claim Regulation. The Health Claim Regulation regulates.