Lipitor, also known as atorvastatin, is a medication that is primarily used to lower cholesterol levels in the blood. It works by inhibiting an enzyme in the liver that is responsible for producing cholesterol. However, there is no evidence to suggest that Lipitor can prevent weight loss. In fact, weight loss is not listed as a side effect of Lipitor [2].

Lipitor is commonly prescribed to people who have high cholesterol levels or are at risk of developing cardiovascular disease. It is not intended for weight loss purposes. While weight loss can be a side effect of some medications, there is no evidence to suggest that Lipitor can cause weight loss or prevent it [1].

It is important to note that Lipitor is not a substitute for a healthy lifestyle. Eating a balanced diet, getting regular exercise, and maintaining a healthy weight are all important factors in reducing the risk of cardiovascular disease. If you are concerned about your weight or have questions about Lipitor, it is important to speak with your healthcare provider [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/drugs/lipitor
[3] https://www.medicalnewstoday.com/articles/lipitor