Reference(s)

1. National Institute of Health, Office of Dietary Supplements. Vitamin A Health Professional Fact Sheet. Downloaded from:
www.ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/

2. Wintergerst ES, et al. Contribution of selected vitamins and trace elements to immune function.
Ann Nutr Metab 2007;51:301-23.

• Berk LE. Child development.

Boston: Pearson Education. 2013. p186.Berk LE. Child development.

• FAO/WHO 2010

3. Enhanced absorption of omega-3 fatty acids from emulsified compared with encapsulated fish oil.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701654/