Greenstone launches authorized Viagra generic

Pfizer subsidiary Greenstone has introduced its authorized generic of Viagra (sildenafil citrate). The Peapack, N.J.-based company said that its generic would be available in 25-, 50- and 100-mg dosage strengths.

The erectile dysfunction drug had a market size of roughly $1.4 billion for the 12 months ended August 2017, according to IQVIA data. Greenstone noted that as a Pfizer subsidiary, the company is backed by Pfizer’s distribution and customer service support.