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Products that match the form and dose used in the studies. Umbral earns a commission on some purchases; the order never changes because of it.

Moderate
≥75 mg/day total while symptomatic
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Life Extension Enhanced Zinc Lozenges, 30 lozenges
Life Extension Enhanced Zinc Lozenges, 30 lozenges
4.2(1,374)
Price on Amazon

The formulation with the best cold-duration data.

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What to look for
  • ✓Zinc acetate or gluconate LOZENGES (not tablets)
  • ✓13–23 mg per lozenge, dissolve slowly
What to avoid
  • ✕Nasal zinc (anosmia)
  • ✕Long-term daily high-dose zinc (copper depletion)
Safety notes
  • · Metallic taste, nausea. Never intranasal zinc (anosmia). Long-term high dose depletes copper.

As an Amazon Associate, Umbral earns from qualifying purchases. Product data comes from Amazon and may change; ratings and prices are Amazon's, not Umbral's. Suggestions are based on the science and the form used in studies, never on commission.

Umbral is a wellness product, not a medical device. It does not diagnose, treat, cure or prevent any disease. Supplement information is educational; talk to a clinician before starting anything, especially if you are pregnant, under 18, managing a condition or taking medication.

These statements have not been evaluated by the Food and Drug Administration.