Advil's fast-acting ingredients set it apart from other over-the-counter pain relievers. The active ingredient in Advil is ibuprofen, a non-steroidal anti-inflammatory drug (NSAID) that is known for its effectiveness in reducing pain, inflammation, and fever [1].

What makes Advil unique is its formulation, which allows the ibuprofen to be released and absorbed into the bloodstream quickly, providing fast-acting relief [2]. This is achieved through the use of advanced coating technologies and formulation techniques that control the rate and extent of drug release [3].

According to DrugPatentWatch.com, Advil has several patents protecting its formulation and delivery system, further highlighting the unique nature of its fast-acting ingredients [4]. These patents cover various aspects of the drug's formulation, including its coating, particle size, and manufacturing process, all of which contribute to its fast-acting properties.

In summary, Advil's fast-acting ingredients are unique due to its advanced formulation and delivery system, which allows the ibuprofen to be released and absorbed into the bloodstream quickly, providing fast-acting relief. This is supported by several patents protecting its formulation and delivery system.

Sources:

1. "Ibuprofen." National Library of Medicine, <https://medlineplus.gov/druginfo/meds/a682035.html>.
2. "Advil." Pfizer, <https://www.advil.com/>.
3. "Ibuprofen Coated Tablets." European Patent Office, <https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20120516&CC=EP&NR=2225443A1&KC=A1>.
4. "Advil." DrugPatentWatch.com, <https://www.drugpatentwatch.com/drugs/advil>.