Related Issues. 1  Advance Care Planning for Serious Illness (Administration for Community Living) - PDF. 2  Advance Care Planning: Medical Issues to Consider (American Hospice Foundation) 3  Making Medical Decisions for a Loved One at the End of Life (American College of Physicians) - PDF.
In the study, 80 adults with ADHD were given either supplements containing vitamin D, vitamin B12, folate, magnesium, ferritin, iron, calcium, zinc and copper, or a dummy pill.
Supplements make sense for people who know or suspect that they're lacking in vitamin D. For adults,1,000-2,000 IUs (international units) as a supplement is good for maintenance. If you are vitamin D inadequate, you're going to need a higher dose for a short period of time to build up your levels.