Pfizer manufactures Viagra Sildenafil which has been approved by the US FDA (Food and Drug Administration) as medication for ED or sexual impotence. The medicine is highly effective with sexual stimulation and will boost blood flow to the penis, helping the patient achieve and maintain an erection.


https://kamahealth.ca/blog/is-sildenafil-a-good-viagra/

https://kamahealth.ca/