How long to wait after taking 2 Advil before taking vitamins depends on what’s in your vitamins, because Advil (ibuprofen) can irritate the stomach and some supplements can also affect absorption or stomach comfort.
If your vitamins are standard (multivitamin with minerals)
Most people can take a multivitamin about 1–2 hours after Advil, especially if they take Advil with food. This gives the ibuprofen time to settle in your stomach and can reduce the chance of nausea or stomach irritation.
If your vitamins include iron or minerals (iron, calcium, magnesium, zinc)
Some minerals can be hard on the stomach and may cause nausea, particularly when taken close to ibuprofen. Waiting about 2 hours after Advil is a safer rule of thumb. (This is mainly about stomach tolerance and comfort rather than a known “dangerous interaction.”)
If your vitamins include vitamin C or other acids
Acidic vitamins (often in chewables or gummies) can increase the chance of stomach upset when taken too near to ibuprofen. Waiting about 1–2 hours after Advil with food usually helps.
How to make it easier on your stomach
Taking Advil with food and taking vitamins with food or a light snack often works better than taking them on an empty stomach. If either makes you feel queasy, separate them by a couple of hours.
Safety check: when to be extra careful
Avoid taking ibuprofen if you have a history of stomach ulcers/bleeding, significant kidney disease, or you’re on blood thinners unless your clinician told you it’s okay. Also, follow the label dosing for both Advil and your vitamins.
If you tell me the exact vitamins you’re taking (brand or the list of ingredients—especially whether there’s iron or calcium), I can give a more specific timing suggestion.