Thereâs no strong evidence that water fasting improves post-COVID symptoms like brain fog, lethargy, or weakness. It may cause fatigue, muscle loss, or electrolyte imbalances. Instead, focus on balanced nutrition, gradual physical activity, quality sleep, and addressing deficiencies (e.g., vitamins
B12, D, or iron).
Next Steps
You may consult online with me on practo for further treatment.