What is Vitamin D3 (cholecalciferol)?

Category: Supplements

Most popular types: Spring Valley Vitamin D3 Nature's Way Vitamin D3 Kirkland Signature Vitamin D3 Show all

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See also: Calcet Petites Dual Calcium + Vitamin D3 Crampex Healtheries Fish Oil 1500 and Vitamin D3 Mebolic Nature Made Triple Flex with D3

Vitamin D3 is the form of vitamin D called cholecalciferol. Cholecalciferol is the most widely known of the vitamin D series and is a fat soluble vitamin that is stored to some degree in the body. It is used as a dietary supplement, for the treatment of vitamin D deficiency, or to prevent a deficiency.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin D deficiency 636 204
Multiple sclerosis 301 102
General health 187 59
Fibromyalgia 45 15
Support immune health 32 10

Show all 129 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 8
Moderate 7
Mild 7
None 467

Commonly reported side effects and conditions associated with Vitamin D3 (cholecalciferol)

Side effect Patients
Diarrhea 2
Dizziness 2
Fatigue 2
Itchy skin 2
Nausea 2
Abdominal bloating 1

Show all 17 reported side effects

Dosages

Based on patients currently taking Vitamin D3 (cholecalciferol)

Dosage Patients
5,000 unt daily 64
2,000 intl units daily 46
2,000 unt daily 46
5,000 intl units daily 45
1,000 intl units daily 34
1,000 unt daily 34
10,000 intl units daily 19
4,000 intl units daily 18
50,000 unt weekly 17
2 x 1,000 unt daily 10

See all 118 dosages

Why patients stopped taking Vitamin D3 (cholecalciferol)

Multiple reasons could be selected

Reason Patients
Other 47
Course of treatment ended 26
Doctor's advice 19
Did not seem to work 16
Side effects too severe 11
Personal research 9
Expense 6
Change in health plan coverage 1
See all 127 patients who've stopped taking Vitamin D3 (cholecalciferol)

Duration

Currently taking Vitamin D3 (cholecalciferol)

Duration Patients
Less than 1 month 1
1 - 6 months 8
6 months - 1 year 14
1 - 2 years 60
2 - 5 years 164
5 - 10 years 217
10 years or more 68

Stopped taking Vitamin D3 (cholecalciferol)

Duration Patients
Less than 1 month 12
1 - 6 months 41
6 months - 1 year 25
1 - 2 years 20
2 - 5 years 27
5 - 10 years 3
Adherence
Adherence Evaluations
Always 372
Usually 90
Sometimes 24
Never taken as prescribed 3
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 14
A little hard to take 48
Not at all hard to take 426
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 15
< $25 247
Not specified 227
Last updated:

54 patient evaluations for Vitamin D3 (cholecalciferol)

Jul 7, 2017 (Started May 15, 2016)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 4,000 unt Daily
Advice & Tips: Helps enzyme function (biological molecules/proteins that act as catalysts and help complex reactions occur) and balances vitamin A
Cost: < $25 monthly

Oct 5, 2016 (Started May 15, 2016)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 4,000 unt Daily
Cost: < $25 monthly

  • 0 helpful marks

Mar 19, 2017 (Started Jan 12, 2017)

  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 units Daily
Advice & Tips: I have something to my Vitamins daily in the AM!!

  • 0 helpful marks

Feb 28, 2017 (Started Sep 15, 2014)

  • Effectiveness
    Moderate (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 2,000 unt Daily
Advice & Tips: For strong bones and overall health
Cost: < $25 monthly

Nov 23, 2016 (Started Sep 15, 2014)

  • Effectiveness
    Moderate (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 2,000 unt Daily
Advice & Tips: For strong bones and overall health
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 54 patient evaluations for Vitamin D3 (cholecalciferol)