Figure 2From: A randomised clinical trial to evaluate the effects of Plantago ovata husk in Parkinson patients: changes in levodopa pharmacokinetics and biochemical parameters Levodopa concentrations obtained alter the oral administration of 100:25 mg/kg levodopa/carbidopa in the three groups studied (initial situation blue triangle; treatment with Plantago ovata husk green circle and treatment with placebo red square) to 18 Parkinson patients. Volunteers 1 to 6.Back to article page