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What is Vitamin B12 (cyanocobalamin)?

Category: Supplements

Most popular types: Vitamin B12 Prescription (cyanocobalamin) NatureMade Vitamin B12 Finest Natural Vitamin B12 Show all

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See also: Daneuron

Vitamin B-12 (cyanocobalamin) is used to treat pernicious anemia; dietary deficiencies due to malabsorption diseases, inadequate secretion of intrinsic factor, and inadequate utilization; for increased requirements due to pregnancy. It is available in oral, injectable and intranasal formulations.

See patients taking Vitamin B12 (cyanocobalamin)

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 deficiency 412 83
General health 233 104
Fatigue 112 48
Pernicious anemia 57 8
Loss of energy 47 20

Show all 118 reasons taken

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell
See all 3977 patients that have taken Vitamin B12 (cyanocobalamin)

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 2
Moderate 6
Mild 10
None 293

Commonly reported side effects and conditions associated with Vitamin B12 (cyanocobalamin)

Side effect Patients Percentage
Diarrhea 2
Back pain 1
Bruising 1
Fatigue 1
Headaches 1
Heavy sensation 1

Show all 15 reported side effects

Why patients stopped taking Vitamin B12 (cyanocobalamin)

Multiple reasons could be selected

Reason Patients Percentage
Other 52
Did not seem to work 31
Doctor's advice 30
Course of treatment ended 27
Expense 18
Personal research 8
Side effects too severe 3
Change in health plan coverage 2
See all 139 patients who've stopped taking Vitamin B12 (cyanocobalamin)

Duration

Stopped taking Vitamin B12 (cyanocobalamin)

Duration Patients Percentage
Less than 1 month 12
1 - 6 months 37
6 months - 1 year 29
1 - 2 years 26
2 - 5 years 23
5 - 10 years 11
10 years or more 7
Adherence
Adherence Evaluations Percentage
Always 234
Usually 45
Sometimes 15
Never taken as prescribed 17
Burden
Burden Evaluations Percentage
Very hard to take 4
Somewhat hard to take 17
A little hard to take 45
Not at all hard to take 245
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 2
$25-49 3
< $25 184
Not specified 122

What people switch to and from

Patients started taking Vitamin B12 (cyanocobalamin) after stopping:

Treatment Patients Percentage
Vitamin B12 Injection (Medivitan) 2
Vitamin B12 (hydroxocobalamin) Injection (Hydro B12) 1

Patients stopped taking Vitamin B12 (cyanocobalamin) and switched to:

Treatment Patients Percentage
Vitamin B12 Injection (Medivitan) 7
Last updated:

31 patient evaluations for Vitamin B12 (cyanocobalamin)

Sort by: Most recent

Oct 30, 2017 (Started Jan 15, 2015)

  • Effectiveness
    Moderate (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 5000 mcg Weekly
Cost: < $25 monthly
  • 0 helpful marks

Oct 7, 2017 (Started Jun 15, 2014)

  • Effectiveness
    Can't tell (for vitamin B12 deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 tablet(s) Daily
  • 0 helpful marks

Aug 16, 2017 (Started Aug 01, 2017)

  • Effectiveness
    None (for vitamin B12 deficiency)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 1 mg Weekly
Advice & Tips: Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Phasellus faucibus turpis sed mi maximus mattis.
Cost: < $25 monthly
  • 0 helpful marks
Last updated:
Showing 3 of 31 patient evaluations for Vitamin B12 (cyanocobalamin)