BIOPTRON® Hyperlight is clinically tested and certified to fight seasonal affective disorders (SAD)
SAD is characterized by a combination of symptoms such as:
- Chronic fatigue
 - Lowered motivation
 - Anhedonia (inability to feel/perceive happiness)
 - Increased need of sleep
 - Changes in appetite or weight
 - Loss of interest in activities you once enjoyed
 - Feeling sluggish or agitated
 - Difficulty to be focused and concentrated
 - Social withdrawal
 
                

                
