Evidenced-based information about Vitamin A: how to check your vitamin A level, what its deficiency can lead to, and how to choose vitamin A supplements.
References:
1) Institute of Medicine. 2006. Dietary Reference Intakes: The Essential Guide to Nutrient Requirements. Washington, DC: The National Academies Press.
2) Vitamin A. Emily P. Chea; Harold Milstein. Last Update: October 21, 2019
3) Vitamin A in Health and Disease. By Mohd Fairulnizal Md Noh, Rathi Devi Nair Gunasegavan and Suraiami Mustar. Submitted: September 15th 2018Reviewed: January 16th 2019Published: April 17th 2019
4) Challem JJ. Teratogenicity of high vitamin A intake. N Engl J Med. 1996;334(18):1196‐1197.
5) Huiming Y, Chaomin W, Meng M. Vitamin A for treating measles in children. Cochrane Database Syst Rev. 2005 Oct 19;(4):CD001479.
6) Oral vitamin A supplementation in very low birth weight neonates: a randomized controlled trial. Sriparna Basu, Parul Khanna, Ragini Srivastava & Ashok Kumar. European Journal of Pediatrics volume 178, pages1255–1265(2019).
7) Dietary Vitamin A Intake and the Risk of Ovarian Cancer: A Meta-Analysis. Qiaoqiao Wang 1, Chaying He
8) L.A. Nikolaeva, E.V. Nenakhova. The biological role of vitamins in the body. Methods for assessing the vitamin supply of the human body. Methods for determining vitamin C.
9) Earl Mindell’s Vitamin Bible for the 21st Century
10) National Institutes of Health. Office of Dietary Supplements. Vitamin A. Fact Sheet for Health Professionals. Vitamin A
