Invest in ME (IiME) is an independent UK charity campaigning for bio-medical research into Myalgic Encephalomyelitis (ME), as defined by WHO-ICD-10-G93.3.
IiME's aim is to bring together like-minded individuals and groups to campaign for research and funding to establish an understanding of the aetiology, pathogenesis and Epidemiology of ME This should lead to the development of a universal "Thumb-Print Test" that can confirm the presence of ME and, subsequently, medical treatments to cure or alleviate the effects of the illness.

Invest in ME want to establish a national strategy of biomedical research into ME.