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.
The increase in alertness during sleep deprivation seen with 300mg modafinil appears to be comparable to 20mg D-amphetamine over the course of 10-12 hours following one-time administration. The anti-sleep efficacy of modafinil (300mg) appears to be comparable to 20mg D-amphetamine.