A generic stock photo of people shopping for vitamin supplements. See PA Feature WELLBEING Vitamin D. Picture credit should read: iStock/PA. WARNING: This picture must only be used to accompany PA Feature WELLBEING Vitamin D.. THE Observer on Sunday (10th January) had two full pages in the magazine section on vitamin D s benefits to the immune system and especially for Covid resistance. It is basically what I have been saying since March (including letters to the Echo) with some extra recent research added. What seems criminally incompetent is that the government, whilst inching their way to recommending vitamin D supplementation, have failed completely to make this clear and to recommend that everyone supplements on vitamin D as a top health priority in these Covid times.