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.
Modafinil has a half-life of about 12 hours. This is the time taken for half its contents to be eliminated by your body. It really depends on how much is your personal tolerance; For some people sensitive to modafinil, less than half a dose (50mg is sufficient to keep them awake). To them, modafinil could very well last over 16 hours.