Per 12oz can: 47.3mg caffeine. Royal Crown (RC) colas have been around for a long time and are currently owned by Cadbury Schweppes. As in the case of Diet Coke â here the diet version has more caffeine than the regular RC Cola. 2.
Modafinil is readily absorbed after oral administration, with peak plasma concentrations occurring at 2-4 hours. The bioavailability of modafinil tablets is approximately equal to that of an aqueous suspension.
Medication for narcolepsy and hypersomnia. What is used? Modafinil (Modavigil in Australia, Provigil in US): Modafinil is a wakefulness-promoting drug (eugeroic) with a duration of action of around 6-12 hours. It comes in 100mg tablets, and in narcolepsy is used at doses of up to 400mg daily.