The present study is a fourteen day study, designed to investigate the
hematological and biochemical effects of single, daily oral doses of 100 – 600
mg/kg of a Nigerian Polyherbal Tonic Tea (PHT) in four groups of adult
Wistar rats. Acute oral toxicity test of PHT at the limit dose of 5000 mg/kg
was also conducted using Up-and-Down Procedure on statistical software
program (AOT425StatPgm, Version 1.0.). Results showed PHT to induce
significant (p