Inclusion Criteria:  Individuals who have experienced moderate COVID-19 stress, as assessed by a score of ≥ 35 on the COVID-19 Stress Scale (Taylor et al., 2020).  Exclusion Criteria:  Non-Michigan residents; self-reported diagnosis of anxiety, depression, ADHD, schizophrenia, bipolar disorder, substance use disorder; currently taking psychotropic medication including antidepressants, anti-anxiety medication or stimulants; allergies or concerns with the placebo pill ingredients; or active diagnosis of COVID-19 at the time of eligibility or enrollment.