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 598 190
Multiple sclerosis 292 101
General health 183 56
Fibromyalgia 43 15
Support immune health 33 14

Show all 118 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 444

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
2,000 intl units daily 51
5,000 intl units daily 51
5,000 unt daily 48
2,000 unt daily 35
1,000 intl units daily 33
1,000 unt daily 30
50,000 unt weekly 17
4,000 intl units daily 16
10,000 intl units daily 13
2 x 2,000 unt daily 9

See all 105 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 14
Side effects too severe 10
Personal research 8
Expense 6
Change in health plan coverage 1
See all 123 patients who've stopped taking Vitamin D3 (cholecalciferol)

Duration

Currently taking Vitamin D3 (cholecalciferol)

Duration Patients
Less than 1 month 1
1 - 6 months 25
6 months - 1 year 35
1 - 2 years 63
2 - 5 years 154
5 - 10 years 182
10 years or more 26

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 26
5 - 10 years 2
Adherence
Adherence Evaluations
Always 354
Usually 84
Sometimes 23
Never taken as prescribed 4
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 13
A little hard to take 42
Not at all hard to take 409
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 1
$25-49 15
< $25 237
Not specified 212
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)