From the Manufacturer's Label:
Nitric Oxide production is critical for blood flow and nutrient delivery to active cells during intense workouts.** NOS Blast Factor can be beneficial during exercise when blood flow dramatically increases, and with a post-workout shake when your body demands a rapid supply of amino acids and carbohydrates for recovery.** Try stacking NOS Blast Factor with Whey Protein immediately after your workout to support amino delivery.**NOS Blast Factor contains unique ingredients such as Horse Chestnut, Butcher’s Broom and Korean Ginseng. Ginkgo Extract is also included for blood flow support.**No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.