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Vitamin A
(as retinyl acetate and 50% beta carotene)

In every dose: 5000 IU

What's In It For
My Immune System?

Best known as an anti-inflammation vitamin because of its critical role in enhancing immune function.

Influence the immune response in a highly specific way as its bioactive metabolites strengthen intestinal immune response.

Science

We use nutrients backed by a significant body of research that is growing every day. Of the thousands of unaffiliated studies our in-house scientists sorted through to guide our choices, the titles below are the most relevant.

Role of Vitamin A in the Immune System

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6162863/
Vitamin A as an anti-infective agent.

https://www.ncbi.nlm.nih.gov/pubmed/20774205
Modulation of Intestinal Immune and Barrier Functions by Vitamin A: Implications for Current Understanding of Malnutrition and Enteric Infections in Children

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6164597/
Effects of carotenoids on human immune function.

https://www.ncbi.nlm.nih.gov/pubmed/10604207

Vitamins

Vitamin D3

Vitamin C

Vitamin A

Vitamin B6

Vitamin B12

Folate