 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  the product before. The manufacturer may have changed the ingredients. Also, products with similar names may contain different ingredients meant for different purposes. Taking the wrong product could harm you. How to use niacin oral Take this medication by mouth with a low-fat meal or snack as directed by your doctor, usually 1-3 times daily. Taking niacin on an empty stomach increases side effects (such as flushing, upset stomach). Follow all directions on the product package. If your doctor has prescribed this medication, take it as directed. If you have any questions, ask your doctor or pharmacist. Niacin is available in different formulations (such as immediate and sustained release). Do not switch between strengths, brands, or forms of niacin. Severe liver problems may occur. Swallow extended-release capsules whole. Do not crush or chew extended-release capsules or tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split extended-release tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing. To lessen the chance of side effects such as flushing, avoid alcohol, hot beverages, and </s>