Effects of a Novel Dispersible Supplement Containing 2500 IU of Vitamin D and 1000 μg of B12 in Restoring Vitamin D and B12 Insufficiency: A Multicenter, Randomized Controlled Trial Read more Synergistic Action Vitamin D3+B12 Read more Vitamin B12 – National Institutes of Health Read more The prevalence of Vitamin D deficiency in a Greek and a Cypriot population sample Read more