Positives

• Fulvic and humic acids deliver 90+ bioavailable trace minerals (iron, selenium, magnesium, zinc, copper, potassium, phosphorus) in a small daily dose, addressing the broad micronutrient depletion documented after acute COVID infection Nutrinect.
  
  
• A patient testimonial described a young adult with severe ME/CFS who had been bedridden for two years progressing to walking, helping with childcare, and teaching piano students after fulvic acid supplementation Supreme Fulvic.
  
  

Negatives

• One reviewer wrote that fulvic acid “did absolutely nothing” and made stomach problems worse, while another reported debilitating headaches and leg/foot swelling after months of use WebMD.
• There is no good scientific evidence supporting fulvic acid claims for fatigue, allergy or eczema, and most patients see no measurable change in Long COVID symptoms Cleveland Clinic.

Hurdles & Side Effects

• Shilajit and fulvic acid products vary 8,600% in cost per 100 mg of fulvic acid, ranging from $0.10 to $8.69 — and several brands have exceeded contamination limits for lead in independent testing ConsumerLab.
• Shilajit and fulvic acid are not FDA-monitored for quality, products rarely list fulvic acid content on the label, and heavy metal contamination (arsenic, lead) is documented in multiple brands Healthline.