Study: NCT04549194

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Blood collection
Description: A blood sample will be collected before during and after the treatment.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Blood collection
Description: A blood sample will be collected before during and after the treatment.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Blood collection
Description: A blood sample will be collected before during and after the treatment.

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: Blood collection
Description: A blood sample will be collected before during and after the treatment.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: L-Tyrosine 500 Mg
Description: The participants will be administered 4 capsules of L-Tyrosine 500 mg per oral route daily over 1 month.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: L-Tyrosine 500 Mg
Description: The participants will be administered 4 capsules of L-Tyrosine 500 mg per oral route daily over 1 month.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Psychological questionnaires
Description: The participants will fill in several psychological questionnaires before, during and after treatment administration:~* Life Event Checklist~* Moral injury~* Posttraumatic Checklist~* Burnout Assessment Tool~* State-Trait Anger Expression Inventory-2~* Ruminative Response Scale - Reconsidered~* Deployment Risk and Resilience Inventory-2~* Questionnaire about tobacco use

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Psychological questionnaires
Description: The participants will fill in several psychological questionnaires before, during and after treatment administration:~* Life Event Checklist~* Moral injury~* Posttraumatic Checklist~* Burnout Assessment Tool~* State-Trait Anger Expression Inventory-2~* Ruminative Response Scale - Reconsidered~* Deployment Risk and Resilience Inventory-2~* Questionnaire about tobacco use

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Psychological questionnaires
Description: The participants will fill in several psychological questionnaires before, during and after treatment administration:~* Life Event Checklist~* Moral injury~* Posttraumatic Checklist~* Burnout Assessment Tool~* State-Trait Anger Expression Inventory-2~* Ruminative Response Scale - Reconsidered~* Deployment Risk and Resilience Inventory-2~* Questionnaire about tobacco use

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Psychological questionnaires
Description: The participants will fill in several psychological questionnaires before, during and after treatment administration:~* Life Event Checklist~* Moral injury~* Posttraumatic Checklist~* Burnout Assessment Tool~* State-Trait Anger Expression Inventory-2~* Ruminative Response Scale - Reconsidered~* Deployment Risk and Resilience Inventory-2~* Questionnaire about tobacco use

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Photoplethysmography
Description: Photoplethysmography recording will be performed before during and after the treatment.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Photoplethysmography
Description: Photoplethysmography recording will be performed before during and after the treatment.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Photoplethysmography
Description: Photoplethysmography recording will be performed before during and after the treatment.

Intervention type: DEVICE
Group type: EXPERIMENTAL
Intervention: Photoplethysmography
Description: Photoplethysmography recording will be performed before during and after the treatment.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo
Description: The participants will be administered 4 capsules of Lactose 500 mg (placebo) per oral route daily over 1 month.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Placebo
Description: The participants will be administered 4 capsules of Lactose 500 mg (placebo) per oral route daily over 1 month.