What is Vitamin D?

Category: Supplements

Most popular types: Vitamin D Prescription NatureMade Vitamin D CVS Vitamin D Show all

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See also: Migrasol

Vitamin D is a fat-soluble vitamin that was isolated in 1930 and named calciferol. Since then more metabolites have been found and the two major forms of this vitamin are now known to be vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol).

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin D deficiency 1,509 405
General health 852 204
Multiple Sclerosis 676 141
Fibromyalgia 131 34
Fatigue 129 37
Osteopenia 124 41

Show all 182 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 14
Moderate 15
Mild 34
None 756

Commonly reported side effects and conditions associated with Vitamin D

Side effect Patients
Nausea 5
Abdominal bloating 4
Headaches 4
Dizziness 3
Upset stomach 3
Depressed mood 2

Show all 42 reported side effects

Dosages

Based on patients currently taking Vitamin D

Dosage Patients
5,000 intl units daily 77
2,000 intl units daily 71
1,000 intl units daily 55
50,000 intl units weekly 29
400 units daily 28
1,000 mg daily 25
4,000 intl units daily 24
5,000 mg daily 20
400 intl units daily 18
2,000 mg daily 16

See all 196 dosages

Why patients stopped taking Vitamin D

Multiple reasons could be selected

Reason Patients
Other 104
Course of treatment ended 88
Doctor's advice 55
Did not seem to work 38
Expense 27
Personal research 18
Side effects too severe 12
Change in health plan coverage 1
See all 306 patients who’ve stopped taking Vitamin D

Duration

Currently taking Vitamin D

Duration Patients
Less than 1 month 1
1 - 6 months 35
6 months - 1 year 48
1 - 2 years 91
2 - 5 years 180
5 - 10 years 333
10 years or more 57

Stopped taking Vitamin D

Duration Patients
Less than 1 month 23
1 - 6 months 99
6 months - 1 year 61
1 - 2 years 57
2 - 5 years 54
5 - 10 years 15
10 years or more 1
Adherence
Adherence Evaluations
Always 577
Usually 172
Sometimes 42
Never taken as prescribed 28
Burden
Burden Evaluations
Very hard to take 7
Somewhat hard to take 28
A little hard to take 82
Not at all hard to take 702
Cost per month
Cost per month Evaluations
$200+ 2
$100-199 1
$50-99 1
$25-49 21
< $25 429
Not specified 365
Last updated:

98 patient evaluations for Vitamin D

638 members have decided to share their profiles only with other members of PatientsLikeMe.

gagafor2
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gagafor2
Data Quality: 3 stars
  • Gender: F
  • Age: 65
PF Severity:
I am: g
I have:
Idiopathic Pulmonary Fibrosis

See gagafor2's full Vitamin D history

Jan 28, 2017 (Started Nov 15, 2015)

  • Effectiveness
    Can’t tell (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 5000 mg Daily

  • 0 helpful marks
margie99
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margie99
Sex: F
Data Quality: 3 stars
On
Mouth/throat: mild
Arms: mild
Chest: mild
Legs: mild
I am: n
I have:
Parkinson's

See margie99's full Vitamin D history

Jan 17, 2017 (Started Jan 15, 2011)

  • Effectiveness
    None (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 5000 mcg Weekly

Oct 10, 2016 (Started Jan 15, 2011)

  • Effectiveness
    Slight (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 5000 mcg Weekly

  • 0 helpful marks
thecyclist
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thecyclist
Data Quality: 1 star
  • Gender: M
  • Age: 53
Condition: MASS Phenotype 2 additional condition(s)
Quality of life:
  • Mental: None
  • Physical: None
I am: vg
I have:
MASS Phenotype

See thecyclist's full Vitamin D history

Dec 8, 2016 (Started Jan 15, 2014)

  • Effectiveness
    Can’t tell (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 intl units Daily

Nov 12, 2014 (Started Jan 15, 2014)

  • Effectiveness
    Can’t tell (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 intl units Daily

  • 0 helpful marks
Last updated:
Showing 3 of 98 patient evaluations for Vitamin D