NutriStack
Symptom·Energy·Reviewed May 30, 2026
Supplements for Post-illness fatigue.
When post-illness fatigue is the complaint, these are the supplements most often associated with it in the NutriStack library, ranked by how directly each one targets it and by the strength of the evidence.
Ranked by relevance, top first.
Relevance reflects how directly each supplement targets this symptom in the NutriStack map. Evidence is the supplement’s own rating. Open any name for the full profile.
- 01Coenzyme Q10 UbiquinolModerate74% match
Ubiquinol supports mitochondrial recovery after viral or inflammatory illness; some evidence in post-viral fatigue.
SuggestedUbiquinol, 100 to 300 mg per day with fat - 02Vitamin D3Moderate66% match
Vitamin D deficiency exacerbates fatigue; deficiency is common in chronic illness.
SuggestedVitamin D3, 2000 to 5000 IU per day adjusted by 25(OH)D - 03Acetyl-L-CarnitineLimited62% match
Supports mitochondrial fatty acid oxidation; evidence for chronic fatigue syndrome is modest.
SuggestedALCAR, 1 to 2 g per day - 04AshwagandhaModerate55% match
Adaptogenic effect on the HPA axis and subjective fatigue scores in stressed populations.
SuggestedKSM-66, 300 to 600 mg per day - 05NACLimited50% match
Glutathione precursor relevant for oxidative stress in post-viral fatigue and long COVID research.
SuggestedNAC, 600 to 1800 mg per day
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Every match traces to a full profile.
These rankings come from the same library that powers the NutriStack app. Open any supplement for full dosing, forms, interactions, and citations.