Also known as acetylsalicylic acid, aspirin is an analgesic painkiller known to relieve aches and pains. It helps to reduce fever and is commonly used as an anti-inflammatory medication.
It works as a non-steroidal anti-inflammatory drug (NSAID), but works in a different fashion by affecting different enzyme variants than most other NSAIDs.
Optional part of the ECA Stack
In that stack, aspirin is an optional part of the stack, and is usually not recommended, in favor of fish oil instead.