The curse doesnt have crazy amounts of caffeine but it gives you great energy. It contains bet-alanine so if you dont like the tingling effect in your body, then this product isnt for you. It contains l-citrulline and l-arginine which are amino acids that help with blood vessel dilation. They also help detoxify the liver and help remove ammonia from your body. The focus is really good because it has a olive leaf extract which helps with focus.