Tenofovirdisoproxilfumarat omdannes in vivo til tenofovir, der er en nukleosidmonophosphat (nukleotid) analog af adenosinmonophosphat.
Tenofovir disoproxil fumarate is converted in vivo to tenofovir, a nucleoside monophosphate (nucleotide) analogue of adenosine monophosphate.