Zinc Gluconate
This is what the ingredient is.
Zinc gluconate is a zinc salt of gluconic acid commonly used in supplements and cold lozenges.
Here is why it shows up on the label.
Used for zinc supplementation and in cold remedy lozenges. Mild taste compared to other zinc forms.
Here is what food agencies say.
The FDA lists it as Generally Recognized as Safe. European food agencies allow it. It is permitted in many countries worldwide.
Here is what research has found.
Good bioavailability. Some studies suggest benefit for cold duration when used in lozenges.
Here are a few things worth knowing.
Safe at recommended doses. High doses can cause nausea and copper deficiency. Nasal formulations have caused anosmia.
Sources
- FDA GRAS Database
- EFSA Scientific Opinion
- Cochrane Review on Zinc and Colds
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.