Cialis Professional is essentially a "new and improved" formula of the original Cialis®. While the product has been reformulated and enhanced in its chemical compound, it still treats erectile dysfunction in men much like the first tadalafil tablet, yet reaches a larger majority with its efficacy.
Generic Viagra Black is a pill, containing 200mg of Sildenafil Citrate. It is known to last up to 20 hours and is best taken 30 minutes prior to sexual intercourse. This medication is a common choice prescribed by physicians in the treatment of males suffering from erectile dysfunction.