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what is the difference between calcitriol vitamin d3

A 53-year-old male asked:
Dr. Rick Kirschner
39 years experience General Practice
D3 is bioactive form: I think you mean d2 v d3. D2 is ergocalciferol. Cholecalciferol is d3.    if your interest is in regards to a supplement, you want to take d3, since ... Read More
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A 47-year-old member asked:
Dr. Martin Fried
35 years experience General Practice
D3 is active: Vitamin d comes in a few forms- d3 is the active form that the body needs to help absorb calcium and build strong bones. D2 is the form before d3 and ... Read More
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7 thanks
A 40-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Vit. D3: Also called cholecalciferol, is a form of vit. D, with a chemical structure similar to steroids such as cortisol & testosterone.
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A 37-year-old male asked:
Dr. Michael Kleerekoper
50 years experience Endocrinology
Vitamin D: Testing for vitamin D levels is superfluous for most folks. The testing is several fold more expensive than an over-the-counter bottle -- $10-20 depen ... Read More
A 40-year-old member asked:
Dr. Frederick Singer
57 years experience Endocrinology
D is a general term: Vitamin d comes in two forms, vitamin d3 is made in the skin after stimulation with ultraviolet light from sun shine and vitamin d2 comes from irradia ... Read More
A 46-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Varying formats: Generally a multivitamin has many vitamins, minerals and occ. Herbs/auxillary nutrients combined into a single capsule or tablet (though taking severa ... Read More
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A 46-year-old member asked:
Dr. Richard Tholen
40 years experience Plastic Surgery
Only the "carrier": Vitamins can be foul-tasting, so manufacturers sometimes make the tablets a chewy tasty gel, a sugary chewable tablet or candy-taste liquid (children' ... Read More
A 27-year-old female asked:
Dr. Randy Baker
39 years experience Holistic Medicine
One and the same: Ascorbic acid is the chemical name for vitamin c (just as pyridoxine is the chemical name of vit b6 etc.). Vit c is an essential nutrient for every ce ... Read More
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A 49-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Yeast: Yeast mostly contains thiamine ( b1) , along with other b vitamins.
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A 51-year-old member asked:
Dr. Alan Ali
Dr. Alan Ali answered
31 years experience Psychiatry
Glucose: D& l are isomers of compound, d for dextro or right and l for levo or left. Isolating one or other is to make compound with fewer side-effects or bett ... Read More
A 55-year-old member asked:
Dr. Zahid Ahmad
16 years experience Endocrinology
High and low calcium: Hypoparathyroidisim has low calcium and low PTH (hormone that controls calcium). Hyperparathyroidis, has high calcium and either high or (abnormall ... Read More
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A 73-year-old female asked:
Dr. Pavel Conovalciuc
22 years experience Family Medicine
None: Vitamin d deficiency is not a common cause of leukopenia. Here in spokane wa you don't even have to check vitamin d to document deficiency, as it is u ... Read More
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A 30-year-old member asked:
Dr. Housam Hegazy
19 years experience Hospital-based practice
Classification: Influenza viruses are RNA viruses that have segmented genome and have high antigenic diversity. They are classified by a protein inside the virus (a, ... Read More
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A 63-year-old female asked:
Dr. Weiguo Li
Dr. Weiguo Li answered
25 years experience Family Medicine
1000 difference: 1 milligram is 1000 microgram.
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A 45-year-old female asked:
Dr. Kenneth Merriman
46 years experience Orthopedic Surgery
NO: In usa all d you can get otc is d3 i usually recommend 1000 iu per 25# body wt therefore 100 # person would take ~ 4000 iu/day go to vitamindcounci ... Read More
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A 43-year-old female asked:
Dr. Paul Harper
51 years experience General Surgery
Why: do you want to know? Why are you concerned about either compound. Perhaps if we know this we can give you a reasonable response.
A 38-year-old member asked:
Dr. Doina Marina
52 years experience Anti-Aging Medicine
Fefol has also iron.: Fefol is used to prevent and treat iron deficiency anemia and folate (folic acid) deficiency especially during pregnancy.
A 55-year-old female asked:
Dr. Ankush Bansal
16 years experience Internal Medicine
Totally different: These are entirely different minerals that are required for proper functioning of your body. Folate (folic acid) is found in grains and leafy green v ... Read More
A 30-year-old female asked:
Dr. Nestor Del rosario
33 years experience Addiction Medicine
Other vit B: There are other b vitamins like b1, b2, b6 and these are all in the b stress vitamins besides B12 which is also in the pill.
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A female asked:
Dr. Matt Wachsman
35 years experience Internal Medicine
Two different glands: Thyroid gland controls metabolism/energy burning rate. parathyroid (a gland INSIDE the thyroid) controls minerals like calcium. Surgery often accident ... Read More
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A 46-year-old member asked:
Dr. Klaus d Lessnau
35 years experience Pulmonary Critical Care
Voodoo: Spend your money on a real doctor.
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1 thank

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