Studies related to Salivary Alpha-Amylase and Theanine

Anti-stress Effect Of Theanine On Students During Pharmacy Practice: Positive Correlation Among Salivary α-amylase Activity, Trait Anxiety And Subjective Stress

Effect None
Values Figure 1
Trial Design Randomized trial
Trial Length 1-7 Days
Number of Subjects 20
Sex Both Genders
Notes for this study:
In a randomized, placebo-controlled trial, 20 healthy participants undergoing high but normal stress took 200 mg of theanine twice daily or a placebo after breakfast and lunch for 17 days.

There wasn't an apparent effect of theanine of salivary alpha-amylase. Subjective stress was lower in the theanine group