Cellucor's pre-workout formula contains a buffered form of creatine (creatine bonded to nitrate), plus 1.6 grams of beta alanine, one gram of Arginine-AKG, as well as a blend of energy support catalysts. C4 has long been a popular workout maximizer, and this latest evolution in the offering is likely to continue that trend.
BSN has reformulated its popular pre-workout offering, removing the L-arginine and L-histidine, and replacing them with herbal extracts which may help produce a similar vasodilatory effect. Creatine (in monohydrate and buffered forms) is still present for cell volumization, and beta alanine is still included for endurance support. L-tyrosine, DMAE (2-Dimethylaminoethanol) and caffeine anyhydrous support focus.
GAT's Nitraflex is a solid approach to bodybuilding support that contains citrulline and arginine along with AKG to assist pump, a testosterone boosting complex and endurance enhancing compounds.
Quest Bars have found a loyal following of athletes looking for quick quality nutrition. Each tasty bar contains a 20-gram blend of whey protein isolate and milk protein isolate, and 19 to 23 grams of carbs (varies per flavor). Another attraction for this bar brand is the many different and delicious flavors available, 14 and counting.