Advil is a nonsteroidal anti-inflammatory drug (NSAID) that contains ibuprofen as its active ingredient. According to the Advil website [3], individuals taking blood thinners should consult their healthcare provider before using Advil. The Harvard Health Publishing website [2] also advises against the use of NSAIDs such as Advil with blood thinners, as this combination can increase the risk of bleeding.

The recommended Advil dosage with blood thinners is not provided by the sources. However, it is important to note that the use of Advil with blood thinners should be done only under the supervision of a healthcare provider, who can determine the appropriate dosage and monitor for any adverse effects.

According to Drug Patent Watch [1], Advil has various formulations and strengths, including Advil Liqui-Gels, Advil Migraine, and Advil PM. These formulations have different dosages, and the recommended dosage for each formulation may also vary depending on the individual's age, weight, and medical condition.

In summary, individuals taking blood thinners should consult their healthcare provider before using Advil. The recommended Advil dosage with blood thinners is not provided by the sources, and the appropriate dosage should be determined by a healthcare provider. It is also important to note that the use of Advil with blood thinners can increase the risk of bleeding and should be done only under the supervision of a healthcare provider.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.health.harvard.edu/diseases-and-conditions/bad-mix-blood-thinners-and-nsaids
[3] https://www.advil.com/advil-safety/pre-existing-health-conditions/