12 Sep 2017 Blackmores Institute Vitamin D and quality of life in osteoarthritis 12 Sep 2017 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Healthcare practitioners may be able to recommend vitamin D supplementation to people with osteoarthritis to improve quality of life, the journal, Nutrients, reports. Studying whether vitamin D supplementation could improve muscle strength and physical performance in knee osteoarthritis (OA) in people with low vitamin D status, researchers found grip strength and physical performance improved. × To continue reading this article, please Log In or Sign Up for access.