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1512 Studies found for: Vitamin D AND Dietary Supplement

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Map Legend
Source:https://ClinicalTrials.gov
Region Name Number of Studies
World [map] 1,512
North America 668
United States 565 [studies]
Alabama 19 [studies]
Alaska 3 [studies]
Arizona 17 [studies]
Arkansas 5 [studies]
California 75 [studies]
Colorado 22 [studies]
Connecticut 15 [studies]
Delaware 7 [studies]
District of Columbia 9 [studies]
Florida 46 [studies]
Georgia 45 [studies]
Hawaii 8 [studies]
Idaho 6 [studies]
Illinois 50 [studies]
Indiana 29 [studies]
Iowa 17 [studies]
Kansas 14 [studies]
Kentucky 12 [studies]
Louisiana 18 [studies]
Maine 6 [studies]
Maryland 50 [studies]
Massachusetts 92 [studies]
Michigan 31 [studies]
Minnesota 37 [studies]
Mississippi 6 [studies]
Missouri 37 [studies]
Montana 10 [studies]
Nebraska 41 [studies]
Nevada 8 [studies]
New Hampshire 9 [studies]
New Jersey 23 [studies]
New Mexico 12 [studies]
New York 80 [studies]
North Carolina 50 [studies]
North Dakota 7 [studies]
Ohio 57 [studies]
Oklahoma 12 [studies]
Oregon 23 [studies]
Pennsylvania 67 [studies]
Rhode Island 9 [studies]
South Carolina 25 [studies]
South Dakota 6 [studies]
Tennessee 23 [studies]
Texas 47 [studies]
Utah 16 [studies]
Vermont 8 [studies]
Virginia 17 [studies]
Washington 24 [studies]
West Virginia 5 [studies]
Wisconsin 27 [studies]
Wyoming 5 [studies]
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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.