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.
Best Answer: Tramadol reaches peak plasma levels roughly 2 hours post medicinal ingestion. It is metabolized renally (via the kidneys) into O-desmethyltramadol which is the active metabolite for detection and what is active for it's analgesic and SSRI properties across the body/brain.