Calcium
This article was originally published in The Tan Sheet
Executive Summary
There is "no need to specifically recommend that calcium supplements be taken at night," researchers report in September American Journal of Clinical Nutrition. Merja Karkkainen, University of Helsinki, et al., found no significant difference in serum parathyroid concentrations regardless of whether doses were administered at morning or at night. However, higher doses of calcium (1,000 mg) lead to lower PTH concentrations, which have been shown to benefit bone formation, they note. Study, involving three groups of 10 women ages 21-34, examined effects of calcium dose timing, size and repetition. Karkkainen et al. conclude further long-term research is needed to pinpoint most effective regimen