5 Years in the making we present Protalean Nutrition’s Fiend-NO3 Pre-workout. An industry leading first, a complete all-in-one Pre-workout product. Fiend-NO3 is the culmination of a dedicated research team whose focus was to produce the best and most intense pre-workout formula possible based on scientific studies in this area. Fiend-NO3 delivers epically on all aspects of stimulants, pump, and performance output. Don’t just take our word for it, believe the hype and make Fiend-NO3 your new pre-workout and be blown away with a new level of performance.