Zinc has several essential roles
ODS describes zinc’s involvement in growth, immune function, protein and DNA synthesis, and cell division. A nutrient being necessary does not show that increasing it above adequate intake accelerates growth or prevents every infection. Poor growth or frequent illness also has many possible causes beyond zinc intake. [1]
Age-specific amounts matter
Zinc requirements and upper limits differ across childhood. An adult tablet can exceed what is appropriate for a younger child, and a gummy format does not resolve that issue. Assess foods, fortified products and other supplements rather than treating a children’s marketing label as a complete nutritional evaluation. [1]
A dietary review example
Imagine a child takes a multi and a separate immune gummy, both containing zinc. The combined amount is the relevant supplement exposure. A clinician can assess a suspected deficiency or growth concern; adding more zinc without that context can cause adverse effects and interfere with copper status. [1][2]
| Example | Interpretation |
|---|---|
| Normal nutrient function | Not proof of benefit from excess |
| Two children’s products | Count overlap |
| Growth concern | Needs broader assessment |

Sources for this article
- Zinc - Health Professional Fact Sheet
Source consulted: 2026-09-20. This is a reference resource, not a claim that we conducted the studies or tested a product. - Copper - Health Professional Fact Sheet
Source consulted: 2026-09-20. This is a reference resource, not a claim that we conducted the studies or tested a product.