Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced …
Vitamin D deficiency in adults: Definition, clinical ... - UpToDate
DEFINING VITAMIN D SUFFICIENCY. Serum 25-hydroxyvitamin D — Vitamin D sufficiency is estimated by measuring 25-hydroxyvitamin D (25[OH]D or calcidiol) concentrations. The …
Pharmacologic Therapy for Vitamin D Deficiency | AAFP
2013年2月15日 · Vitamin D therapy may be given daily or weekly with equal effectiveness; the dosage depends on the degree of deficiency. (SOR: C, based on an RCT and cohort study.) …
Vitamin D Dosing: Basic Principles and a Brief Algorithm (2021 …
Brief algorithm for vitamin D dosing. In all those cases, 25OH-D levels should be checked at 1–1.5 months after the initiation of Vit. D supplementation or the enlargement of Vit. D dose, …
Vitamin D Dosage Guide For Adults, Children - GoodRx
2023年10月2日 · For vitamin D levels below 25 nmol/L, the recommended dosage for adults and children ages 11 and older is 50,000 IU (1 capsule) once weekly. Adults should take it for 8 …
What Vitamin D Dosage Is Best? - Healthline
2024年12月20日 · How much vitamin D do you need for optimal health? In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 …
Patient education: Vitamin D deficiency (Beyond the Basics)
2023年5月16日 · Vitamin D is an oil-soluble vitamin that has several important functions in the body: It helps to absorb dietary calcium and phosphorus from the intestines. It suppresses the …
Vitamin D - Mayo Clinic
2023年8月10日 · Taking a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age …
Mayo Clinic Q and A: How much vitamin D do I need?
2017年4月25日 · Currently, different recommendations exist. The Institute of Medicine has placed the recommended dietary allowance, or RDA, for vitamin D at 600 international units (IU) per …
What Is the Correct Dosage of Vitamin D for Adults?
2024年2月23日 · According to the National Institutes of Health’s Office of Dietary Supplements, the current recommended daily amount for vitamin D (in micrograms or International Units) is …