Positives

• A long-hauler took 225mg oral hyaluronic acid and upper body muscle pains disappeared the same day, with possible improvement in external tremors Reddit.
  
  
• A patient used hyaluronic acid cream on worsening COVID toes and it healed significantly: 50% better after one night, toes felt normal after two nights Reddit.
  
  

Negatives

• The patient who tried oral HA for muscle issues noted the improvement was sudden and unexpected, making it difficult to confirm whether hyaluronic acid was truly the cause or whether symptoms were naturally fluctuating Reddit.
  
  

Hurdles & Side Effects

• Long-haulers considering HA supplementation faced confusion over high vs low molecular weight forms, as the low form is proinflammatory while the high form is anti-inflammatory, making it unclear which is safe for patients with existing inflammation Reddit.