Zinc Sulfate
This is what the ingredient is.
Zinc sulfate is a zinc salt used for food fortification and dietary supplementation.
Here is why it shows up on the label.
Used to fortify cereals, infant formula, and dietary supplements. Essential for immune function and wound healing.
Here is what food agencies say.
FDA GRAS for food fortification. EFSA established upper limit of 25 mg/day. Globally approved.
Here is what research has found.
Essential mineral for numerous biological functions. Deficiency common globally. Effective fortification source.
Here are a few things worth knowing.
Safe at RDA levels. High doses can cause nausea, vomiting, and copper deficiency. May interact with antibiotics.
Sources
- FDA CFR 21
- EFSA Scientific Opinion
- NIH Fact Sheet
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.