To help you find the right treatment for your lifestyle, our ED tablets come in a variety of doses. The dose you receive will depend on the answers you give in your online consultation, as our clinicians will select the most appropriate dose for you based on your health and history with erectile dysfunction. Sildenafil Our sildenafil comes in two doses: Sildenafil 50mg. Sildenafil 100mg. The recommended starting dose for sildenafil is 50mg and it is our most commonly prescribed ED treatment. Tadalafil Our tadalafil comes in two doses: Tadalafil 10mg. Tadalafil 20mg. Tadalafil Daily Our tadalafil daily comes in two doses: Tadalafil Daily 2.5mg. Tadalafil Daily 5mg. Viagra Connect Viagra Connect only comes in one dose: Viagra Connect 50mg. Viagra Connect is an over the counter ED medication (meaning that you don’t need a prescription to purchase it) so it’s only available in one dose. Viagra also comes in a 100mg dose (Viagra 100mg) and a 25mg dose (Viagra 25mg), but you need a prescription before you can purchase these variants.