I am deficient in vitamin D. For how long can I take the weekly vitamin D tablet? 1.65K viewsSeptember 21, 2021Lifestyle & Wellness 0 admin16 September 21, 2021 0 Comments I am deficient in vitamin D. For how long can I take the weekly vitamin D tablet? admin Answered question September 21, 2021 1 Answer ActiveVotedNewestOldest 0 admin16 Posted September 21, 2021 0 Comments One should take weekly doses of 60,000 units of vitamin D for 8 to 12 weeks to correct deficiency. Six weeks of course every year suffices to maintain the levels. admin Answered question September 21, 2021 Register or Login