Zinc
Zinc is an essential mineral involved in many functions. Considered by those with limited diets.
What it is
An essential mineral involved in many enzymes.
Role in the body
Supports immune function, skin and taste.
Why people consider it
Considered by those with a limited diet.
Food sources
- Oysters
- Meat
- Nuts
- Legumes
Typical labeled usage
Follow the labeled serving.
Recommended amount
The upper intake level for adults is about 40 mg/day.
Amounts are common educational ranges based on public reference values and product labels — not individual medical advice. If you have a condition, take medication, or are pregnant or breastfeeding, consult a physician or pharmacist.
When people take it
With food if it upsets your stomach.
Evidence summary
Zinc contributes to normal immune function
Moderate evidenceIt's essential, but this does not promise specific effects.
Who should exercise caution
Who should exercise caution
- Long-term high doses can cause copper deficiency
Potential medication interactions
- May affect absorption of some antibiotics
Possible side effects
- Nausea on an empty stomach
Upper-limit guidance
An upper-limit guideline exists; check official references.
Products & brands
Related articles & packs
Monthly packs
References
- Dietary Supplement Fact Sheets — NIH Office of Dietary Supplements