Cellucor C4 Ultimate is definitely a pre workout you want into your stack. It comes in various delicious flavours and has 40 servings which is well over a month’s supply – great value for money. It is recommended to take 1 scoop 30 minutes before training with water. We also recommend you try half a scoop first to test your tolerance levels to the caffeine. Each serving will provide you with 300mg of Caffeine which is more than enough to send you on your way to get energy fuelled training session.