Lipitor 40mg is a prescription medication containing atorvastatin, manufactured by Pfizer. Each pack contains 30 filmcoated tablets with 40mg of the active ingredient atorvastatin. This medication belongs to a class of drugs known as statins. The medication comes in a box containing 3 blister packs of 10 tablets each (30 tablets total). Each tablet contains 40mg of atorvastatin as the active ingredient. The tablets are filmcoated for easier administration.