Long COVID / ME/CFS Recovery
About this protocol
Where to start
See a clinician first. Long COVID clinics, ME/CFS-experienced providers, and integrative medicine doctors may be more thorough than general practitioners. Get baseline workup: CBC, ferritin, vitamin D, B12 + MMA, comprehensive metabolic panel, thyroid panel, hsCRP, fasting glucose, lipid panel, plus consideration of cortisol, sex hormones, autonomic testing (tilt-table for POTS), and chronic infection screening.
Learn to pace BEFORE adding supplements. Pacing means staying within your energy envelope and proactively resting before exertion causes a crash. Heart-rate monitoring (Whoop, Garmin, Apple Watch) is hugely helpful — most ME/CFS patients have an anaerobic threshold around 100-110 bpm, and exceeding it triggers post-exertional malaise. Supplements work; pacing makes them work.
Start with CoQ10 (ubiquinol) at 200-300 mg daily. The most-evidenced supplement for ME/CFS. Castro-Marrero 2015 trial in CFS showed CoQ10 + NADH improved fatigue scores and biochemical markers over 8 weeks.
Add a NAD+ precursor (NMN or NR). Mitochondrial dysfunction in Long COVID and ME/CFS is documented; NAD+ supports energy production. Castro-Marrero''s follow-up work with NADH supports the broader pathway.
Add L-carnitine at 2-3 g daily. Carnitine shuttles fatty acids into mitochondria for oxidation. Trials in ME/CFS show modest benefit.
Add magnesium glycinate at 300-400 mg before bed. Supports sleep (commonly disrupted), anxiety, and the muscle-cramping that''s common in this population.
Add electrolytes (sodium + potassium + magnesium) if you have POTS-like symptoms (lightheadedness on standing, fatigue worsening with upright posture, tachycardia on standing). High-sodium intake (5-10 g salt/day) is a first-line POTS intervention.
Expect 12+ weeks before judging. Chronic illness recovery is slow. Track symptom severity weekly with structured scales (DePaul Symptom Questionnaire for ME/CFS) — perception of improvement is unreliable; data is informative.
5 nutrients
Start here
Strongest evidence — the foundation of the stack.
CoQ10 (Ubiquinol)
200-300 mg daily, with a fat-containing mealCoQ10 supports mitochondrial energy production — a documented dysfunction in ME/CFS and emerging in Long COVID research. The Castro-Marrero 2015 trial showed CoQ10 + NADH improved fatigue scores and biochemical markers in CFS over 8 weeks. Fukuda 2016 trial supports cognitive and autonomic improvements. Ubiquinol form has better bioavailability than ubiquinone, especially in adults over 40.[1, 2, 3]
NAD+ Precursor (NR or NMN)
250-500 mg daily, with breakfastNAD+ is essential for mitochondrial energy production and is depleted in chronic fatigue states. NR and NMN reliably raise blood NAD+. The evidence base is preliminary but mechanistically plausible. Treat as emerging — worth a structured 3-6 month trial with measurable endpoints.[4, 5, 6]
Add if needed
Add these only if the foundation isn't enough.
L-Carnitine (Acetyl-L-Carnitine or L-Carnitine L-Tartrate)
2-3 g daily, divided AM/middayL-carnitine shuttles long-chain fatty acids into mitochondria for oxidation. Trials in ME/CFS show modest improvements in fatigue scores. Plioplys 1997 trial supports use; acetyl-L-carnitine may have additional cognitive benefits.[7, 8, 9]
Magnesium Glycinate
300-400 mg elemental, before bedMagnesium supports the multiple systems affected in chronic fatigue: ATP production, muscle function, sleep architecture, nervous system regulation. Cox 1991 Lancet trial showed reduced CFS symptoms with magnesium supplementation in red-blood-cell magnesium-deficient adults. Most chronic illness patients under-consume magnesium.[10, 11]
Experimental
Emerging evidence — try last, only if curious.
Electrolytes (Sodium + Potassium + Magnesium) — for POTS symptoms
Sodium 3-5 g additional daily for POTS-like symptoms; standard electrolyte blendPOTS (Postural Orthostatic Tachycardia Syndrome) is common in Long COVID and ME/CFS. Higher-than-standard sodium intake (5-10 g salt/day) is a first-line POTS intervention recommended by autonomic specialists. Combined with adequate fluid intake and compression garments, it can dramatically reduce orthostatic symptoms.[12, 13]
Warnings
Lifestyle improvements
Pace, don''t push
The most-evidenced intervention for ME/CFS and Long COVID is PACING — staying within your energy envelope. Post-exertional malaise (PEM) is the symptom of doing too much; symptoms worsen 12-48 hours after exertion. Traditional Graded Exercise Therapy (GET) can WORSEN ME/CFS in many patients. Use heart rate monitoring (anaerobic threshold typically 100-110 bpm) to stay below your crash point.
See a Long COVID or ME/CFS specialist
Many primary care doctors aren''t familiar with these conditions. Post-COVID clinics, integrative medicine, autonomic specialists, and ME/CFS-experienced providers offer more thorough evaluation. Treatment is multi-modal.
Get the right labs
Beyond standard CBC and ferritin: thyroid (TSH, free T4, free T3, antibodies), cortisol (4-point saliva), vitamin D, B12 with MMA, hsCRP, comprehensive metabolic panel, fasting glucose + insulin, tilt-table testing for POTS, chronic infection screening (EBV, CMV, sometimes Lyme/coinfections depending on history).
Sleep is non-negotiable
Unrefreshing sleep is a core feature of ME/CFS. The Better Sleep protocol stacks here. CPAP if sleep apnea is identified (commonly missed). Treat sleep aggressively.
Address dysautonomia / POTS
If you have orthostatic symptoms (lightheadedness standing, fatigue worsening upright, tachycardia on standing 30+ bpm increase), workup for POTS. Treatment includes: increased sodium (5-10 g/day) and fluids, compression garments, sometimes prescription medications (ivabradine, midodrine, fludrocortisone).
Mental health support
Chronic illness amplifies depression and anxiety. This is not "all in your head" — it''s a real consequence of being chronically ill. Therapy (especially with chronic illness expertise) can help. Avoid practitioners who dismiss your symptoms as psychogenic.
Anti-inflammatory dietary pattern
Mediterranean dietary pattern, reduced ultra-processed foods, reduced alcohol. Some patients identify specific food triggers (gluten, dairy) — structured elimination trials are reasonable.
Limit alcohol entirely
Alcohol triggers PEM in many patients and disrupts sleep architecture. Many ME/CFS and Long COVID patients find total alcohol elimination significantly improves symptoms.
Consider low-dose naltrexone
LDN (low-dose naltrexone, 1.5-4.5 mg) has growing trial evidence in ME/CFS and Long COVID. Prescription required. Discuss with your Long COVID clinic or integrative medicine provider.
Track symptoms structurally
DePaul Symptom Questionnaire (free, online) is a validated ME/CFS assessment. Weekly or biweekly tracking reveals trends supplements alone don''t. Subjective perception is unreliable; data is informative.
Connect with patient communities
Long COVID and ME/CFS communities (Body Politic, MEAction, Solve ME/CFS Initiative) offer peer support, advocacy, and resources. Many medical advances come from patient-led research.
Don''t accept dismissal
Both Long COVID and ME/CFS have been historically dismissed as psychogenic. They aren''t. If a clinician dismisses your symptoms without proper workup, find a different clinician. Patient advocacy organizations have provider lists.
Patience
Recovery from chronic illness is slow — typically months to years. Avoid the trap of constantly switching supplements every 2-3 weeks. Pick a protocol, give it 12-16 weeks, track structured outcomes, then adjust.
References
- CoQ10 — supplement research overviewExamine.com link
- Castro-Marrero J, et al. Does oral coenzyme Q10 plus NADH supplementation improve fatigue and biochemical parameters in chronic fatigue syndrome? Antioxid Redox Signal. 2015;22(8):679-685.PubMed link
- Fukuda S, et al. Ubiquinol-10 supplementation improves autonomic nervous function and cognitive function in chronic fatigue syndrome. Biofactors. 2016;42(4):431-440.PubMed link
- NMN — supplement research overviewExamine.com link
- Trammell SA, et al. Nicotinamide riboside is uniquely and orally bioavailable in mice and humans. Nat Commun. 2016;7:12948.PubMed link
- Martens CR, et al. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nat Commun. 2018;9(1):1286.PubMed link
- L-Carnitine — supplement research overviewExamine.com link
- Plioplys AV, Plioplys S. Amantadine and L-carnitine treatment of Chronic Fatigue Syndrome. Neuropsychobiology. 1997;35(1):16-23.PubMed link
- Vermeulen RC, Scholte HR. Exploratory open label, randomized study of acetyl- and propionylcarnitine in chronic fatigue syndrome. Psychosom Med. 2004;66(2):276-282.PubMed link
- Magnesium — supplement research overviewExamine.com link
- Cox IM, et al. Red blood cell magnesium and chronic fatigue syndrome. Lancet. 1991;337(8744):757-760.PubMed link
- Sodium — supplement research overviewExamine.com link
- Fu Q, Levine BD. Exercise and non-pharmacological treatment of POTS. Auton Neurosci. 2018;215:20-27.PubMed link
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Coming to App StoreDisclaimer: These statements have not been evaluated by the FDA. This protocol is educational, not a substitute for personalized medical advice. Talk to your doctor before starting any new supplement regimen — especially if you're pregnant, breastfeeding, on medications, or managing a chronic condition. Last updated 5/20/2026.