Sildenafil Citrate, Dosage : As prescribed by doctor

We are offering sildenafil citrate, tadalafil, vardenafil, boron citrate 99.5%.
iso9001: 2000, sgs approval. Purity guarantee & no pollution.
call me please, let's talk more: )
product name: sex enhancement : sildenafil citrate ,tadalafil , vardenafil , boron citrate 99.5%
cas #: 139755-83-2 171599-83-0
mf: c21h28n6o4s mw: 460.5498
description: white powder
function:
erects within 5 minutes, erection lasts min. 72 hours
focus on sexuality enhancements improving energy level
used in the treatment of penile erectile dysfunction (ed).
storage: in cool & dry place, keep away from strong light.
shelf life: 2 years when properly stored.
free samples can be sent on request!