Immune Systems Advisor

By OneDayMD Editorial Team · Published September 30, 2026 · Updated October 1, 2026 · Evidence last checked October 1, 2026 Quick Answer: does anything work for Long COVID? No specific treatment has been proven to work for Long COVID in general. Randomized trials have found no benefit from extended Paxlovid (959 adults), metformin (396) or short-course hyperbaric oxygen (80). Promising but unconfirmed signals include the SIM01 synbiotic (463 people, Hong Kong) and physical-activity coaching (50). For prevention during acute COVID, Paxlovid (144 people) and metformin show mixed or underpowered results. Care remains individualized and symptom-focused. Medical disclaimer. This article is educational and is not personal medical advice, diagnosis or treatment. Long COVID can overlap with cardiovascular, pulmonary, neurological, endocrine and sleep disorders. Do not st...

A clinician-developed regimen of nattokinase, bromelain, and curcumin for clearing persistent SARS-CoV-2 spike protein — with dosing, safety guidance, monitoring, and full FAQ.   Editorial Team   |  Originally published March 2023  |  Last updated August 2026  |  Reviewed against published literature and Dr. McCullough's 2025 clinical updates ⚠️ Medical Disclaimer — Please Read First This article is for  educational purposes only  and does not constitute medical advice, diagnosis, or treatment. The Base Spike Detox protocol involves supplements with significant anticoagulant activity. Always consult a licensed physician before starting , especially if you are taking blood thinners, are pregnant or breastfeeding, have a bleeding disorder, or are treating a child. For a virtual consultation with a physician familiar with this protocol, visit...