Is Calcifediol a vitamin D?
Calcifediol is a vitamin D3 analog that is used to treat secondary hyperparathyroidism in adult patients with stage 3 or 4 chronic kidney disease and serum total 25-hydroxyvitamin D levels less than 30 ng/mL.
What is the most absorbable form of vitamin D?
The main conclusions are: (i) ergocalciferol (vitamin D2), the form mostly used in supplements and fortified foods, is apparently absorbed with similar efficiency to cholecalciferol (vitamin D3, the main dietary form), (ii) 25-hydroxyvitamin D (25OHD), the metabolite produced in the liver, and which can be found in …
Is vitamin D also called Calciferol?
Several forms (vitamers) of vitamin D exist. The two major forms are vitamin D2 or ergocalciferol, and vitamin D3 or cholecalciferol. Vitamin D without a subscript refers to either D2 or D3, or both, and is known collectively as calciferol.
Why vitamin D is called Calciferol?
A unique aspect of vitamin D as a nutrient is that it can be synthesized by the human body through the action of sunlight. These dual sources of vitamin D make it challenging to develop dietary reference intake values. Vitamin D, also known as calciferol, comprises a group of fat-soluble seco-sterols.
What is another name for calcifediol?
Calcifediol, also known as calcidiol, 25-hydroxycholecalciferol, or 25-hydroxyvitamin D3 (abbreviated 25(OH)D3), is a form of vitamin D produced in the liver by hydroxylation of vitamin D3 (cholecalciferol) by the enzyme vitamin D 25-hydroxylase.
What is the difference between calcifediol and vitamin D3?
In addition, calcifediol is about 3-fold more potent when compared to oral vitamin D3 in postmenopausal women . An additional advantage of oral calcifediol is a more linear response curve, whereas there is a plateau effect with increasing doses of oral vitamin D3  .
Can vitamin D regrow hair?
Vitamin D affects the health of many parts of the body, including the skin and hair. Vitamin D plays a role in the creation of new hair follicles. Hair follicles are the tiny pores from which new hairs grow. Because of this link, getting adequate amounts of vitamin D can support hair growth and regrowth.
Is excess vitamin D excreted in urine?
And unlike ice cream, we know that vitamins help keep us healthy. But vitamin D, unlike many of the other vitamins you may be taking, is fat soluble. That means that if you take too much of it, you won’t just pee it out like you would a water soluble vitamin.
What does Calciferol mean?
Definition of calciferol : an alcohol C28H43OH usually prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally in the control of rickets and related disorders. — called also vitamin D2.
What are the side effects of Calciferol?
Calciferol side effects
- chest pain, feeling short of breath;
- growth problems (in a child taking Calciferol); or.
- early signs of vitamin D overdose–weakness, metallic taste in your mouth, weight loss, muscle or bone pain, constipation, nausea, and vomiting.
Is calcifediol safe?
This medicine may cause adynamic bone disease (low bone turnover) with high risk of fractures. Tell your doctor right away if you have pain or swelling in the arms or legs without any injury. Do not take other medicines unless they have been discussed with your doctor.
What is hypervitaminosis A (HVA)?
Hypervitaminosis A is a disorder in which there is too much vitamin A in the body. Vitamin A is a fat-soluble vitamin that is stored in the liver. Many foods contain vitamin A, including: Some dietary supplements also contain vitamin A.
What is hypervitaminosis A (vitamin A toxicity)?
Hypervitaminosis A, or vitamin A toxicity, occurs when you have too much vitamin A in your body. This condition may be acute or chronic. Acute toxicity occurs after consuming large amounts of vitamin A over a short period of time, typically within a few hours or days.
What is hipervitaminosis B12 (B12)?
Los altos niveles de vitamina B12 o cobalamina, también denominado hipervitaminosis B12 es una anormalidad analítica frecuentemente subestimada. De acuerdo con la literatura algunas de las entidades relacionadas con este hallazgo son las neoplasias sólidas (primarias o metastásicas) y las enfermedades hematológicas agudas o crónicas.
What is hypercalcemia caused by iatrogenic hypervitaminosis A?
Hypercalcemia caused by iatrogenic hypervitaminosis A Vitamin A toxicity produces protean clinical manifestations involving a wide variety of tissues and systems. Hypercalcemia can occasionally be associated with high vitamin A levels, but is rare.