It is hard to know what to trust on the Internet.
Here is a You Tube series recommended by Susan who is a knowledgeable member. I watched the one mentioned and found it reliable.
Check out this nutritionalist on YouTube. I’ve been following her for several years and am impressed 99% of the time.
As well you should know that you can check out archived articles from the Journal of Orthomolecular Medicine which have been helpful in the past. You can also sign up for updates.
You will notice that this journal has not been listed on Medline and you can protest at the email address listed on the page.
(OMNS February 29, 2008) The archives of the Journal of Orthomolecular Medicine are now posted online. Past issues from 1967 through 2002 are available for downloading, at no charge, at http://orthomolecular.org/library/jom/index.shtml