Lipitor, a commonly prescribed medication for lowering cholesterol, belongs to a class of drugs known as statins. When taken with high-fat lamb meals, which are known to be rich in cholesterol, there can be interactions to consider. Lamb is a source of saturated fat and cholesterol, which can potentially counteract the cholesterol-lowering effects of Lipitor. Consuming high-fat meals, including lamb, can reduce the absorption of statins like Lipitor, leading to decreased effectiveness in lowering cholesterol levels. It is advisable to consult with a healthcare provider or a pharmacist regarding the timing of Lipitor administration in relation to high-fat meals to ensure optimal efficacy of the medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/food-nutrition/lamb-and-cholesterol
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1312230/