Positives

• A long-hauler started spermidine after 1+ year of fatigue and within 3 days noticed dramatically improved reading speed and retention, then shoveled heavy snow for an hour and felt great Reddit.
  
  
• A patient took one capsule of spermidine after dinner with magnesium before bed and reported the best sleep of their entire life, with significant improvement in headaches and muscle weakness Reddit.
  
  

Negatives

• A commenter on the spermidine improvement thread reported they tried spermidine-rich wheat germ for several weeks and saw no improvement in their fatigue or cognitive symptoms Reddit.
  
  

Hurdles & Side Effects

• Spermidine supplements cost approximately $90 per month in the US, creating a significant cost barrier, though ordering from German Amazon reduces the cost to about $35 per month Reddit.