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the claim

Vitamin A plays a role in vision, bone growth, reproduction, cell functions, and the immune system.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that vitamin A plays a role in vision, bone growth, reproduction, cell functions, and the immune system?

Yes. Extensive scientific literature confirms that vitamin A and its active metabolites are essential for vision, immune function, cellular growth and differentiation, reproduction, and overall physiological development.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The analysis

The claim outlines well-established biological roles of vitamin A. Multiple retrieved review papers explicitly corroborate that vitamin A is critical for vision, immune regulation, cellular differentiation and growth, reproduction, and tissue development. Thus, the evidence overwhelmingly supports the claim.

Evidence for · 3
Transthyretin and Vitamin A Metabolism: A Review for the Cardiac Amyloidosis Specialist.
2026
States that vitamin A functions as a key regulator of immunity, antioxidant function, cell growth and differentiation, and vision.
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D, B., V, M., A, A., A, A. Z., & J, T. (2026). Transthyretin and Vitamin A Metabolism: A Review for the Cardiac Amyloidosis Specialist.. doi.org. https://doi.org/10.3390/jcdd13050205

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More for · 2
Retinoic acid in health and disease.
2026
Notes that retinoic acid (the active metabolite of vitamin A) integrates developmental, homeostatic, and pathological processes including immune homeostasis and epithelial integrity across multiple systems.
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MT, D. A., V, D., N, V., V, L., M, R., C, D. M., A, R., F, T., G, V., & G, S. (2026). Retinoic acid in health and disease.. doi.org. https://doi.org/10.1038/s41392-026-03055-y

Vitamin A Status in Cystic Fibrosis in the Current Era of CFTR-Directed Therapies.
2026
Affirms that vitamin A plays an important role in multiple homeostatic functions such as vision, immunity, cell signaling, pulmonary function, reproduction, growth, and development.
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S, S., T, S., K, V., & M, M. (2026). Vitamin A Status in Cystic Fibrosis in the Current Era of CFTR-Directed Therapies.. doi.org. https://doi.org/10.3390/nu18162639

What does the evidence say?

The claim outlines well-established biological roles of vitamin A. Multiple retrieved review papers explicitly corroborate that vitamin A is critical for vision, immune regulation, cellular differentiation and growth, reproduction, and tissue development. Thus, the evidence overwhelmingly supports the claim.

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