Vitamin Aand Immune Support.
Evidence gradeA
ImpactModerate
Confidencehigh
Imported rating. This grade comes from SuppCo and has not been independently reviewed. It describes research, not a product, and it is not medical advice.
The rating
- Direction
- Favourable
- Rated by
- SuppCo
- Observed
- 28 September 2026
Studies behind it
Role of Vitamin A in the Immune SystemZhiyi Huang · Journal of Clinical Medicine2018Immune Impairment Associated with Vitamin A Deficiency: Insights from Clinical Studies and Animal Model ResearchJ. Amimo · Nutrients2022Influence of Vitamin A supplementation on inflammatory biomarkers in adults: a systematic review and meta-analysis of randomized clinical trialsM. Gholizadeh · Scientific Reports2022