Assertion: vitamin d's effect | /r/HasProperty | found with calcium supplementation
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text: No clinically important effect on coronary or cerebrovascular risk or outcomes was found with vitamin D and calcium supplementation over 7 years in the Women's Health Initiative randomized trial.11, 12 Other systematic reviews of clinical trials have largely found no effect of vitamin D supplementation on cardiovascular outcomes and hypertension.13, 14, 58