What is Vitamin D2 (ergocalciferol)?

Category: Supplements

Most popular types: Pliva Vitamin D Raquiferol

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Vitamin D2 is known as ergocalciferol, a form of Vitamin D. It is created from viosterol, which in turn is created when ultraviolet light activates ergosterol. Ergocalciferol is a fat-soluble vitamin that regulates calcium and phosphorus metabolism.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin D deficiency 122 44
Fatigue 19 11
General health 5 1
Multiple sclerosis 4 2
Fibromyalgia 3 1

Show all 26 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 2
Moderate 1
Mild 3
None 59

Commonly reported side effects and conditions associated with Vitamin D2 (ergocalciferol)

Side effect Patients
Irritability 1
Nausea 1

Dosages

Based on patients currently taking Vitamin D2 (ergocalciferol)

Dosage Patients
50,000 unt weekly 26
50,000 intl units weekly 6
50,000 intl units monthly 2
2 x 50,000 unt weekly 2
3 x 50,000 intl units weekly 2
2,000 unt daily 1
50,000 intl units every other week 1
50,000 unt every other week 1
5 x 2,000 unt daily 1
2 x 50,000 intl units weekly 1

See all 18 dosages

Why patients stopped taking Vitamin D2 (ergocalciferol)

Multiple reasons could be selected

Reason Patients
Course of treatment ended 23
Doctor's advice 8
Other 6
Personal research 3
Did not seem to work 1
Expense 1
Side effects too severe 1
See all 40 patients who've stopped taking Vitamin D2 (ergocalciferol)

Duration

Currently taking Vitamin D2 (ergocalciferol)

Duration Patients
Less than 1 month 1
1 - 6 months 3
6 months - 1 year 8
1 - 2 years 12
2 - 5 years 12
5 - 10 years 12
10 years or more 3

Stopped taking Vitamin D2 (ergocalciferol)

Duration Patients
Less than 1 month 5
1 - 6 months 14
6 months - 1 year 6
1 - 2 years 6
2 - 5 years 8
5 - 10 years 1
Adherence
Adherence Evaluations
Always 59
Usually 4
Sometimes 1
Never taken as prescribed 1
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 5
A little hard to take 8
Not at all hard to take 51
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 1
$50-99 1
$25-49 2
< $25 32
Not specified 29
Last updated:

5 patient evaluations for Vitamin D2 (ergocalciferol)

Sep 16, 2016 (Started Aug 15, 2016)

  • Effectiveness
    Major (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 2,000 unt Daily
Cost: < $25 monthly

Aug 27, 2016 (Started Aug 15, 2016)

  • Effectiveness
    Major (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Cost: < $25 monthly

Aug 1, 2016 (Started Aug 15, 2016)

  • Effectiveness
    Major (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 50,000 unt M,W,F
Cost: < $25 monthly

  • 0 helpful marks

Dec 15, 2014 (Started Oct 15, 2014)

  • Effectiveness
    Slight (for vitamin D deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: 50,000 intl units M,W,F
Advice & Tips: N/a

  • 0 helpful marks

Apr 23, 2014 (Started Nov 04, 2010)

  • Effectiveness
    Moderate (for ehlers danlos prenvent decalcification)
  • Effectiveness
    Slight (for fibromyalgia)
  • Effectiveness
    Moderate (for muscle pain)
  • Effectiveness
    Slight (for chronic fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mL Weekly

  • 0 helpful marks
Last updated:
Showing 3 of 5 patient evaluations for Vitamin D2 (ergocalciferol)