Does taking lipitor at night affect its effectiveness?

Does taking Lipitor at night improve its effectiveness?

Taking Lipitor (atorvastatin) at night improves its effectiveness because the liver makes most cholesterol at night. Studies show statins like Lipitor work better when taken in the evening, when the body's natural cholesterol production peaks.

Does the timing matter if you miss a dose?

Missing a dose by a few hours does not reduce effectiveness much. Take the missed dose as soon as you remember if it's still the evening or next morning. If it's almost time for the next dose, skip it and keep your regular schedule.

What happens if you take Lipitor during the day instead?

Taking Lipitor during the day still lowers LDL cholesterol, but not as well as evening doses. Daytime dosing may suit patients with shift work or other lifestyle reasons, but for optimal results, evening dosing is preferred.

Why are companies challenging this patent?

The basic compound patent for atorvastatin expired long ago. Newer challenges now target specific formulations, salt forms, and extended-release versions.