Positives

• A patient using a 1.3 ATA soft chamber at home reported subjective improvements in fatigue and mental clarity after several weeks of daily sessions Peak Primal Wellness.
  
  
• Some long COVID patients in mild HBOT registries described gradual energy gains, though gains were modest compared with hard-shell protocols Scientific Reports.
  
  

Negatives

• Reviewers noted that 1.3 ATA chambers do not meet UHMS criteria for true HBOT and lack objective evidence of benefit beyond placebo Hyperbaric Aware.
  
  
• In sham-controlled trials, both 1.3 ATA placebo and higher-pressure groups improved, suggesting the soft-chamber pressure itself may not deliver oxygenation benefits PMC.
  
  

Hurdles & Side Effects

• A buyer described the multi-thousand-dollar chamber cost and the 60-90 minute daily time commitment as significant barriers OneBase Health.
  
  
• Patients also flagged ear-pressure discomfort and claustrophobia inside the soft enclosure during early sessions CNS Center.