Amaranth-based supplement with an incredible nitric oxide precursor power. Amaranth or Amaranthus is a high source of nitrates that promote the production of this molecule that increases vasodilation. When this occurs it increases blood circulation in the bloodstream, bringing more oxygen to the entire body, especially the muscles. This is how your body experiences renewed power during training, further reducing fatigue and increasing performance. It is especially useful for endurance athletes. But it's also great for bodybuilders, as it improves muscle pump.