Retinyl palmitate is a pre-formed version of Vitamin A, is a synthetic supplement available in dry or oily form. It can be taken orally or by injection to treat Vitamin A deficiency. It will get converted to an alcohol in the small intestine when ingested. Overdosing preformed Vitamin A forms such as retinyl palmitate leads to adverse physiological reactions known as: hypervitaminosis A, which can be harmful to liver, bones and skin, causing weakness and brittleness, even leading to fatigue and vomiting.
Can anybody have reference paper or official document on dose of vitamin A palmitate and its effect?
In 2005 the UK Scientific Advisory Committee on Nutrition published the "SACN Review of Dietary Advice on Vitamin A" . This might contain some information which would help you and enable you to follow more recent reports. In contrast to India where it A deficiency is widespread, the interest in the UK was excessive exposure to vitamin A. I hope that the SACN report will be of some help, it is available online; just google Vitamin A and SACN.
Hello, review the information in these links about dosage of vitamin A and derivatives
https://books.google.com.pe/books?id=Ykj7CAAAQBAJ&pg=PA454&lpg=PA454&dq=dose+of+retinyl+palmitate+recommended&source=bl&ots=dOKPFvUjQu&sig=Q4UARHAxtPy2jhP-aJHw2ifg0ho&hl=es&sa=X&ved=0CBkQ6AEwADgUahUKEwj4uqi8uaTIAhUKox4KHQl0C2s#v=onepage&q=dose%20of%20retinyl%20palmitate%20recommended&f=false
http://www.who.int/immunization/programmes_systems/interventions/Adverse_events_vitA.pdf
http://apps.who.int/iris/bitstream/10665/41947/1/9241545062.pdf
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