Advil, which contains ibuprofen as its active ingredient, is commonly used to relieve pain and reduce inflammation. It can be effective in alleviating discomfort during or after eating if the discomfort is due to conditions like toothache, headache, muscle aches, or minor arthritis pain, as mentioned by the Mayo Clinic[2]. However, it is essential to note that Advil is a nonsteroidal anti-inflammatory drug (NSAID) and may have side effects, especially when taken in high doses or for prolonged periods. These side effects can include stomach pain, heartburn, nausea, and indigestion, as highlighted by MedlinePlus[3]. Therefore, while Advil can help with certain types of discomfort during or after eating, it is crucial to use it as directed and consult a healthcare provider if experiencing persistent or severe symptoms.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.mayoclinic.org/drugs-supplements/ibuprofen-oral-route/side-effects/drg-20070602?p=1
[3] https://medlineplus.gov/druginfo/meds/a682159.html