Research Article

Randomised, Double Blind, Placebo-Controlled Trial of Echinacea Supplementation in Air Travellers

Table 2

Treatment protocol used for 35 days of travel.a

DaysProtocolDosage

−14 to −3Priming doseOne tablet twice a day
−2 to +7Flying doseTwo tablets twice a day
+8 to +32Overseas doseOne tablet twice a day
+33 to +42Flying doseTwo tablets twice a day
+43 to +49After-travel doseOne tablet twice a day

aAlso see Figure 1 for study layout.