Positives

• Patients describe TTFD as particularly helpful for deep fatigue, brain fog and post-viral burnout because it crosses the blood-brain barrier without needing the saturable thiamine transporter Hormones Matter.
  
  
• A Long COVID patient writing on Medium reported steady improvements in energy, dysautonomia, gut motility and neuropathy after pushing through the early paradox phase on TTFD Patrick Lin on Medium.
  
  

Negatives

• A patient starting TTFD reported severe anxiety and a sense of impending doom on the very first dose, a classic paradoxical reaction Hormones Matter.
  
  
• A patient with a 30-year history of arrhythmia saw it return alongside extreme fatigue once she began TTFD, illustrating how rough the refeeding phase can get Hormones Matter.
  
  

Hurdles & Side Effects

• Patients are warned that the paradox phase commonly lasts 1-2 months and occasionally over seven, demanding patience and tight magnesium and B-vitamin co-factor support Hormones Matter.
  
  
• Patients typically have to titrate from 50 mg up over weeks while watching for sulfur reactions, a regimen many cannot manage without coaching Hormones Matter.