A member asked:

How do i know how much vitamin a is normally in fish oil capsules?

A doctor has provided 1 answer
Dr. Tim Conrad answered

Specializes in Ophthalmology

None: Fish oil does not contain any vitamin a. Fish liver oil (e.g. Cod liver oil) has lots of vitamin a. It is dangerous to take large amounts of vitamin a. It is toxic to the liver, increases the risk of lung cancer and is a known cause of birth defects.

Answered 6/5/2013

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