Ats labs are proud to offer a perfect blend that clones the original ECAstack like no other. 750mg of the finest ingredients to get you nice and lean. The smooth incline in long-lasting energy continued fat burning all day long appetite suppression no jitters!! Unmatched aggression in the gym with no “crashing” the right combination of ingredients to eliminate adrenal fatigue CFI can be used as a pre-workout as well as a fat burner. Simply take 1 capsule approximately 15 before exercise/weight training. Do no stack CFI with another stimulant. Cfi is designed to work with you, the more active you are, the more you will notice its effect. CFI is exactly what it stands for... Freaking insane!