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. 2021 May 5;13(5):1551. doi: 10.3390/nu13051551

Figure 2.

Figure 2

Academic stress intensity levels. Frequency of students which perceived each stress level: N1, N2 (low stress level), N3, N4, N5 (high stress level). (a) Before (BCTL) and after (ACTL) the intervention with the placebo beverage (CTL group): data did no show significant differences (p = 0.607). (b) Before (BEXP) and after (AEXP) the intervention with the FBLAB (EXP group): data showed significant differences (* p = 0.001, α = 0.05). Statistical analysis was performed using the Student t-test.