Vitamin D


Effects of Menopausal Hormone Therapy, Calcium Plus Vitamin D Supplementation, and Dietary Modification

The US Women’s Health Initiative (WHI) clinical trial results do not support hormone therapy with oral conjugated equine estrogens plus medroxyprogesterone acetate for postmenopausal women or conjugated equine estrogens alone for those with prior hysterectomy to prevent cardiovascular disease, dementia, or other chronic diseases. However, hormone therapy is effective for […]


Effect of Calcium and Vitamin D Supplements on Mortality

The post hoc analysis of postintervention follow-up of calcium and vitamin D (CaD) supplements suggested reduced cancer mortality and increased cardiovascular disease (CVD) mortality. The multicenter trial across the US included 36 282 postmenopausal women randomized 1:1 to 1000 mg of calcium carbonate (400 mg of elemental calcium) with 400 IU […]


Fish Oil and Vitamin D Supplementation Not Beneficial

A nationwide, randomized, placebo-controlled trial revealed that daily supplementation with high-dose vitamin D or n-3 fatty acids for 5 years among initially healthy adults in the US did not reduce the incidence of cancer or the incidence of major cardiovascular events. The trial included 25,871 participants (5106 black, ages >/=50 […]