Is Vitamin D for everyone initiating ART?

Supplementing starters on ART containing Efavirenz and Tenofovir with 4000 iu Vit D, and oral calcium, reduced BMD loss by 50% in the first year, say ACTtG A5280. Expected elevations in both PTH and bone turnover were reduced. It at least suggests that those with low Vit D levels at initiation should be identified, and have this considered. Abstract #133