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 1038 213
Multiple sclerosis 333 114
General health 223 67
Fatigue 45 18
Fibromyalgia 45 15

Show all 147 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 10
Moderate 8
Mild 9
None 547

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 20 reported side effects

Dosages

Based on patients currently taking Vitamin D3 (cholecalciferol)

Dosage Patients Percentage
2000 intl units daily 15
5000 intl units daily 14
5,000 unt daily 12
1000 intl units daily 11
1,000 unt daily 11
2,000 unt daily 8
4000 intl units daily 4
1 tablet(s) daily 3
800 intl units daily 3
1 capsule(s) daily 2

See all 47 dosages

Why patients stopped taking Vitamin D3 (cholecalciferol)

Multiple reasons could be selected

Reason Patients Percentage
Other 53
Course of treatment ended 34
Doctor's advice 21
Did not seem to work 14
Side effects too severe 14
Personal research 10
Expense 8
Change in health plan coverage 1
See all 142 patients who've stopped taking Vitamin D3 (cholecalciferol)

Duration

Currently taking Vitamin D3 (cholecalciferol)

Duration Patients Percentage
1 - 6 months 2
6 months - 1 year 2
1 - 2 years 6
2 - 5 years 17
5 - 10 years 54
10 years or more 45

Stopped taking Vitamin D3 (cholecalciferol)

Duration Patients Percentage
Less than 1 month 13
1 - 6 months 45
6 months - 1 year 23
1 - 2 years 20
2 - 5 years 28
5 - 10 years 17
10 years or more 3
Adherence
Adherence Evaluations Percentage
Always 443
Usually 101
Sometimes 23
Never taken as prescribed 7
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 509
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 0
$25-49 17
< $25 285
Not specified 272
Last updated:

55 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 (for Overall)
  • 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 (for Overall)
  • 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 (for Overall)
  • 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 (for Overall)
  • 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 (for Overall)
  • 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 (for Overall)
  • 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 (for Overall)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 3000 intl units Daily
Advice & Tips: NO CHANGES
Cost: < $25 monthly

  • 0 helpful marks

May 15, 2017 (Started Jan 15, 2015)

  • Effectiveness
    None (for vitamin D deficiency)
  • Side effects
    None (for Overall)
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 5,000 unt Twice daily
Advice & Tips: switched to high quality formulation with K2 that was in oil and still no improvement in D levels. think it's not the drugs, it's me.
Cost: < $25 monthly

Mar 29, 2017 (Started Jan 15, 2015)

  • Effectiveness
    Slight (for vitamin D deficiency)
  • Side effects
    None (for Overall)
  • Adherence
    Usually
  • Burden
    Somewhat hard to take
Dosage: 5,000 unt Twice daily
Advice & Tips: I don't think the Swanson brand is very effective. Despite taking 10,000 IUs a day, my levels have barely changed. Am switching to a brand recommended by my naturopath soon.
Cost: < $25 monthly

  • 0 helpful marks

Jul 21, 2017 (Started Nov 10, 2015)

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

  • 0 helpful marks
Last updated:
Showing 3 of 55 patient evaluations for Vitamin D3 (cholecalciferol)