Fildena Professional appears to be a sildenafil 100 mg product, but FDA approval of the active ingredient does not mean that every sildenafil-branded product is FDA-approved. FDA-approved sildenafil products include Viagra and approved generic sildenafil products. U U.S. Food and Fildena Professional Administration +1 So, if you're buying Fildena Professional online, I would not assume it has FDA approval or the same quality controls as an FDA-approved product. If you have a photo of the Fildena Professional package, you can upload it and I can help you check the manufacturer, ingredients, strength, and whether there are any obvious authenticity concerns.