The following have been found to increase aromatase or reduce the effectiveness of aromatase inhibitors and should be limited or avoided during treatment: Alcohol Corn oil Grapefruit & grapefruit juice Peanut oil Safflower oil: Soybean oil Interactions What drugs and food should I avoid while taking Crestor (Rosuvastatin)? It can raise triglyceride levels and may increase your risk of liver damage. 6 foods to avoid if you’re taking these prescription drugs Richard A. Marini March 11, 2018 Updated: March 11, 2018 9:53 p.m. Facebook Twitter Email LinkedIn Reddit Pinterest Foods to avoid while taking aromatase inhibitors. If your doctor has prescribed the cholesterol-lowering medicine CRESTOR ® (rosuvastatin calcium) for you, it is important to take it exactly as prescribed by your doctor. How and when to take CRESTOR. Avoid eating foods high in fat or cholesterol, or rosuvastatin will not be as effective. When your cholesterol levels reach the danger zone, doctors routinely prescribe lipid-lowering statin drugs—in fact, 28% of adults over age 40 are on them. Avoid eating foods high in fat or cholesterol, or rosuvastatin will not be as effective. Avoid drinking alcohol. A change in your diet, medicine, or dosage is likely to be necessary. Supplements to avoid when taking statins include antioxidants, red yeast rice and grapefruit seed extract. Keep reading to find out the best foods to eat, and 10 foods to avoid during chemo. There's no way around it—chemo has some nasty side effects. If you take statins to improve your blood cholesterol levels, some supplements may interfere with the effectiveness of statins or increase your risk of side effects, some potentially life-threatening. Do not change your dose or stop CRESTOR without talking to your doctor, even if you are feeling well. Should I avoid certain foods while taking Tetracycline HCL? From nausea to diarrhea to constipation to foods just tasting weird in general, it can be hard to even think about eating. Some antacids can make it harder for your body to absorb rosuvastatin. Very Important. People taking warfarin must avoid eating too many foods that are high in vitamin K, but it is not necessary to avoid these foods entirely.