vitamin A http://www.nhs.uk/chq/Pages/917.aspx?CategoryID=54 http://www.nhs.uk/chq/Pages/917.aspx?CategoryID=54 http://www.nhs.uk/chq/Pages/917.aspx?CategoryID=54 http://www.nhs.uk/chq/Pages/917.aspx?CategoryID=54 National Health Service current guidelines avoid a high consumption of liver http://www.nhs.uk/chq/Pages/917.aspx?CategoryID=54 Foods to avoid in pregnancy