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.
Numerous athletes have used modafinil to improve their concentration, focus and recovery time. In 2003, American Kelli White won both the 100m and 200m at the World Track and Field Championships - a rare sprint double achievement.