Not all PrEP medication components are the same

DESCOVY® contains TAF, which more efficiently delivers tenofovir DP into PBMCs (including lymphocytes like CD4+ T cells) and macrophages vs TDF1-6

Graphic showing plasma half-life of tenofovir from TAF (tenofovir alafenamide) and TDF (tenofovir disoproxil fumarate) and levels in lymphocytes.

TAF delivers more active drug to lymphocytes vs TDF, resulting in less off-target drug exposure.

There’s no generic version of DESCOVY FOR PrEP®.7

*Plasma half-life: TAF=30 minutes; TDF=0.41 minutes.4
Tenofovir is converted into tenofovir DP in cells.1

DP=diphosphate; PBMC=peripheral blood mononuclear cell; TAF=tenofovir alafenamide; TDF=tenofovir disoproxil fumarate.

Now that you’ve learned about the differences between TAF and TDF in PrEP medications, there’s more to explore with DESCOVY.

Select a topic:

Learn more about HIV incidence rates with DESCOVY.


See DESCOVY seroconversion data.

Discover the impact of DESCOVY on markers of renal function.


Learn more about the impact of DESCOVY on BMD.

Learn more about once-daily dosing with DESCOVY.


See how to get started with DESCOVY and how to prescribe it.