: Sildenafil is the active ingredient in Viagra and is available as a generic medication . Generic sildenafil is medically equivalent to Pfizer's brand-name Viagra but is usually significantly more affordable . Safety and Side Effects
To legally and safely obtain Viagra, you must follow a process that involves a healthcare professional: buy viagra online from pfizer
For official product details and safety information, you can visit the or consult the Mayo Clinic's guide to ED medications . : Sildenafil is the active ingredient in Viagra