Zinc Supplementation in Immunodeficiency: Systematic Review

⚠️ IMPORTANT LEGAL NOTICE

These scientific studies are for informational purposes only.

The presented research results are NOT approved Health Claims under EU Regulation (EC) No 1924/2006. For product advertising, only Health Claims officially approved by EFSA may be used.

Non-approved Health Claims are legally inadmissible and may lead to warnings.

✅ Check approved claims: [EU Health Claims Register](https://ec.europa.eu/food/safety/labelling_nutrition/claims/register/public/)

---

## Summary

A recent review by Wessels I et al. from 2024 examines the immune-enhancing effects of zinc and was published in Nutrients.

Study Background

This systematic review analyzes the role of zinc in immune function and infection defense across various populations.

Key Findings

The study shows: - Reduction in common cold duration: On average by 33% - Improvement of T-cell function: Especially in zinc deficiency - Prophylactic effect: 15-30mg daily - Therapeutic dose: 75-100mg for acute infections

Methodology

As a systematic review, this work combines findings from over 30 clinical studies.

Practical Relevance for Dietary Supplement Manufacturers

These research results are relevant for: - Product development: Prefer organic zinc forms - Study results: The research shows certain effects (no approved claims) - Dosage: 15-30mg for prevention - Timing: Use at first symptoms

Source

The full study is freely available on Europe PMC.

Authors: Wessels I, Maywald M, Rink L Year: 2024 Journal: Nutrients PMCID: PMC10780824 PMID: 38257151

---

*Note: This summary is for informational purposes. The presented study results are not approved Health Claims. For detailed information, please consult the original source.*