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 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 578 185
multiple sclerosis 285 98
Vitamin D deficiency 229 72
General health 179 54
fibromyalgia 43 15
Support immune health 33 14

Show all 134 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 6
Mild 7
None 430

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

Side effect Patients
Diarrhea 2
Dizziness 2
Fatigue 2
Nausea 2
Abdominal bloating 1
Abdominal pain 1

Show all 19 reported side effects

Dosages

Based on patients currently taking Vitamin D3 (cholecalciferol)

Dosage Patients
5,000 intl units daily 63
2,000 intl units daily 49
5,000 unt daily 37
1,000 intl units daily 35
2,000 unt daily 32
1,000 unt daily 26
4,000 intl units daily 18
50,000 unt weekly 16
10,000 intl units daily 15
3,000 intl units daily 9

See all 101 dosages

Why patients stopped taking Vitamin D3 (cholecalciferol)

Multiple reasons could be selected

Reason Patients
Other 45
Course of treatment ended 27
Doctor's advice 19
Did not seem to work 13
Side effects too severe 9
Personal research 8
Expense 5
Change in health plan coverage 1
See all 121 patients who've stopped taking Vitamin D3 (cholecalciferol)

Duration

Currently taking Vitamin D3 (cholecalciferol)

Duration Patients
Less than 1 month 4
1 - 6 months 16
6 months - 1 year 28
1 - 2 years 57
2 - 5 years 159
5 - 10 years 180
10 years or more 20

Stopped taking Vitamin D3 (cholecalciferol)

Duration Patients
Less than 1 month 11
1 - 6 months 40
6 months - 1 year 25
1 - 2 years 20
2 - 5 years 24
5 - 10 years 2
Adherence
Adherence Evaluations
Always 340
Usually 85
Sometimes 22
Never taken as prescribed 4
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 13
A little hard to take 41
Not at all hard to take 396
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 1
$25-49 15
< $25 227
Not specified 208
Last updated:

54 patient evaluations for Vitamin D3 (cholecalciferol)

Jul 24, 2017 (Started Jun 30, 2012)

  • Effectiveness
    Can’t tell (for multiple sclerosis)
  • Effectiveness
    Can’t tell (for Vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 2,000 unt Daily

  • 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 54 patient evaluations for Vitamin D3 (cholecalciferol)