 : In this research, characterized as a randomized, double-blind, crossover study, 30 healthy volunteered patients 05 men and 25 women aged 18 or older who received a capsule of 500mg of Mulungu Matusa or placebo, orally, one hour before the procedure were selected. The level of anxiety was assessed through questionnaires and physical parameters, such as blood pressure, heart rate and oxygen concentration. Data were collected, tabulated and analyzed by the following statistical tests: chi-square, t-test, ANOVA and Tukey test, Friedman, Fishers exact test with significance level of 5. 