What is Vitamin D3 (cholecalciferol)?

Category: Supplements

Most popular types: Spring Valley Vitamin D3 Vitamin D3 Prescription (cholecalciferol) Nature's Way 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 665 207
Multiple sclerosis 310 108
General health 200 63
Fibromyalgia 43 15
Fatigue 41 17

Show all 131 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 Percentage
Severe 8
Moderate 8
Mild 8
None 519

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

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

Show all 19 reported side effects

Dosages

Based on patients currently taking Vitamin D3 (cholecalciferol)

Dosage Patients Percentage
5,000 unt daily 25
1,000 unt daily 22
2,000 unt daily 21
5000 intl units daily 20
1000 intl units daily 19
2000 intl units daily 18
50,000 unt weekly 6
800 intl units daily 5
4000 intl units daily 5
10,000 unt daily 5

See all 76 dosages

Why patients stopped taking Vitamin D3 (cholecalciferol)

Multiple reasons could be selected

Reason Patients Percentage
Other 50
Course of treatment ended 32
Doctor's advice 21
Did not seem to work 15
Side effects too severe 12
Personal research 9
Expense 8
Change in health plan coverage 1
See all 137 patients who've stopped taking Vitamin D3 (cholecalciferol)

Duration

Currently taking Vitamin D3 (cholecalciferol)

Duration Patients Percentage
1 - 6 months 3
6 months - 1 year 5
1 - 2 years 13
2 - 5 years 68
5 - 10 years 103
10 years or more 53

Stopped taking Vitamin D3 (cholecalciferol)

Duration Patients Percentage
Less than 1 month 13
1 - 6 months 44
6 months - 1 year 25
1 - 2 years 21
2 - 5 years 32
5 - 10 years 10
10 years or more 2
Adherence
Adherence Evaluations Percentage
Always 418
Usually 96
Sometimes 23
Never taken as prescribed 6
Burden
Burden Evaluations Percentage
Very hard to take 2
Somewhat hard to take 14
A little hard to take 49
Not at all hard to take 478
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 0
$25-49 17
< $25 281
Not specified 245
Last updated:

56 patient evaluations for Vitamin D3 (cholecalciferol)

Nov 4, 2017 (Started Jan 15, 2011)

  • Effectiveness
    Slight (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Cost: < $25 monthly

Aug 10, 2017 (Started Jan 15, 2011)

  • Effectiveness
    Can't tell (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Advice & Tips: NO CHANGES
Cost: < $25 monthly

May 25, 2017 (Started Jan 15, 2011)

  • Effectiveness
    None (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Advice & Tips: No changes
Cost: < $25 monthly

Jan 17, 2017 (Started Jan 15, 2011)

  • Effectiveness
    None (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Advice & Tips: No change
Cost: < $25 monthly

Oct 10, 2016 (Started Jan 15, 2011)

  • Effectiveness
    Can't tell (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Cost: < $25 monthly

Sep 14, 2016 (Started Jan 15, 2011)

  • Effectiveness
    None (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 3000 intl units Daily
Advice & Tips: No change
Cost: < $25 monthly

Jul 13, 2016 (Started Jan 15, 2011)

  • Effectiveness
    None (for flexion: a bent or curved posture)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Advice & Tips: NO CHANGES
Cost: < $25 monthly

  • 0 helpful marks

Jul 21, 2017 (Started Nov 10, 2015)

  • Effectiveness
    Can't tell (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 800 intl units Daily
Cost: < $25 monthly

  • 0 helpful marks

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
Last updated:
Showing 3 of 56 patient evaluations for Vitamin D3 (cholecalciferol)