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Hello! A friend of mine has a grandson 3 years old who has autism, it was found out when he was 1 year old, he weighs 22 kilos, is on some medication, I would like to know how much vitamin D he could take a day! Thank you!!!

Asked by  iveteabegg76895700 on March 20, 2015

  •  iveteabegg76895700 on

    See title

    Answered by  iveteabegg76895700 on
  •  IAW on

    At his time Dr. Cannell is the best person to respond to the Autism questions. Sometimes Dr. Cannell is very busy so it may take him a little while to respond. So please be patient and keep checking back every few days, at least, for an answer.

    Answered by  IAW on
  •  John Cannell, MD on

    He should be on at least 5,000 IU/day of vitamin D3.

    Answered by  John Cannell, MD on

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