Definition of "cholecalciferol" []

• See vitamin D3. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Vitamin D refers to two biologically inactive precursors - D3, also known as cholecalciferol, and D2, also known as ergocalciferol."
• "According to the research, most children and adults need at least 1000 IU per day, and persons with bone or muscle aches and pains could benefit from 2000 IU or more per day of supplemental vitamin D3 (also called cholecalciferol), especially during winter months."
• "Use D3 - a combination of calcium and Vitamin D (also called cholecalciferol)"