We are the publishers of the Comparative Guide to Nutritional Supplements series of books. We summarize the latest scientific research and compare products to give consumers a chance to choose the best broad-spectrum multiple vitamin and mineral supplement for their needs.
The Effect of Vitamin D on Cancer Incidence and Survival
The results of a phase 2 randomized controlled trial (RCT) of high- vs. low-dose vitamin D3 supplementation for 139 patients with advanced colorectal cancer taking chemotherapy was recently reported in JAMA
