Pure Encapsulations Nitric Oxide Ultra is a dietary supplement designed to support nitric oxide production, healthy blood flow, and vascular health. It contains L-Citrulline and CranLoad Cranberry Extract, which are known for their benefits in promoting cardiovascular health. The product is gluten-free, non-GMO, and hypoallergenic, making it suitable for a wide range of users. Each bottle contains 120 capsules, and the recommended serving size is two capsules. This supplement is ideal for adults looking to improve their blood circulation and overall vascular health.