Cenforce Professional , it is marketed as a sildenafil product for erectile dysfunction. The claimed benefit is essentially the same as other sildenafil products: it can improve blood flow to the ***** and help you achieve and maintain an erection when *****ly stimulated. H Handmade With Love +1 One important caution: Cenforce Professional is commonly marketed as a sublingual (under-the-tongue) 100 mg tablet, but I would not assume that the sublingual route makes it faster or stronger. A current medical review notes that this product is not FDA-approved and that there is no FDA-approved sublingual sildenafil formulation. I iMedix For sildenafil generally, 50 mg is the usual starting dose, while 100 mg may be used depending on response and side effects. U uroweb.org If you mean Cenforce Professional 100 mg vs Viagra 100 mg, I can compare their strength, onset, duration, and safety directly.