If you’re taking Cialis (or the generic tadalafil ... its effects last much longer. A dose of Viagra lasts around four hours, and Levitra is just a little longer, sometimes up to six hours.

Roman offers Viagra in 25-, 50-, and 100-milligram (mg) oral tablets. Sildenafil is the generic form of Viagra. It’s also the primary active ingredient found in Revatio and Viagra. Sildenafil ...

Hims carries brand names, like Viagra and Cialis, and the generic versions — sildenafil and tadalafil. After completing an evaluation and connecting with one of its medical professionals ...

Hims is an online pharmacy service that caters to male wellness. Branded Viagra is $139 per dose, while generic Viagra starts at $4 to $10 per dose. The price may change depending on the strength.

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Update: Find all the latest sales in our Cyber Monday Walmart deals hub. Black Friday may be over, but plenty of bargain Walmart deals are still sticking around as we move to Cyber Monday.

SEE ALSO: All the best early Black Friday deals at Amazon, Target, Best Buy, and Walmart The deals will be live online and in the Walmart mobile app through Sunday, Dec. 1, so long as they don't ...