What nutrients (and supplements) Dr Michael Greger takes ?

Dr. Fuhrman:  And what are those, what nutrients do you take?

Dr. Greger: I take algae-derived DHA and EPA, vitamin D, eat sea vegetables for iodine and of course make sure I ingest sufficient vitamin B12. 

Info source: http://www.diseaseproof.com/archives/interviews-features-dr-fuhrman-interviews-michael-greger-md.html
(Dr. Fuhrman interviews Michael Greger, M.D. , MARCH 8, 2012 )