Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 deficiency 188 61
General health 181 86
Fatigue 59 27
Fibromyalgia 20 8
Multiple sclerosis 20 10

Show all 91 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 1
Moderate 5
Mild 6
None 215

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

Side effect Patients
Bruising 1
Diarrhea 1
Dizziness with nausea 1
Fatigue 1
Heavy sensation 1
Injection site pain 1

Show all 13 reported side effects

Dosages

Based on patients currently taking Vitamin B12 (cyanocobalamin)

Dosage Patients
1,000 mcg daily 35
1 mg daily 23
500 mcg daily 17
1 mg monthly 8
1 mg twice daily 6
2,500 mcg daily 6
2.5 mg daily 5
1 mg weekly 4
100 mcg daily 4
250 mcg daily 4

See all 60 dosages

Why patients stopped taking Vitamin B12 (cyanocobalamin)

Multiple reasons could be selected

Reason Patients
Other 40
Doctor's advice 26
Did not seem to work 22
Course of treatment ended 18
Expense 12
Personal research 4
Change in health plan coverage 1
Side effects too severe 1
See all 103 patients who've stopped taking Vitamin B12 (cyanocobalamin)

Duration

Currently taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 1
1 - 6 months 16
6 months - 1 year 14
1 - 2 years 30
2 - 5 years 52
5 - 10 years 51
10 years or more 20

Stopped taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 11
1 - 6 months 32
6 months - 1 year 19
1 - 2 years 21
2 - 5 years 14
5 - 10 years 6
10 years or more 1
Adherence
Adherence Evaluations
Always 170
Usually 32
Sometimes 10
Never taken as prescribed 15
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 8
A little hard to take 35
Not at all hard to take 181
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 2
< $25 137
Not specified 88
Last updated:

28 patient evaluations for Vitamin B12 (cyanocobalamin)

Nov 16, 2017 (Started Oct 20, 2017)

  • Effectiveness
    Moderate (for myalgic encephalomyelitis/chronic fatigue syndrome)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 other Twice daily
Advice & Tips: Continue to have more energy. Came back from chiropractor today and he was shocked at how well I looked. Guess the effects are noticing to other people also. Two vapes prior to making bed in morning and at night and one or two during the day when I am active.
Cost: < $25 monthly

Oct 20, 2017 (Started Oct 20, 2017)

  • Effectiveness
    Slight (for myalgic encephalomyelitis/chronic fatigue syndrome)
  • Effectiveness
    Moderate (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 other Twice daily
Advice & Tips: First report. Might be placebo effect. Taking to improve/prevent fatigue/malaise.
Cost: < $25 monthly

  • 0 helpful marks

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
Last updated:
Showing 3 of 28 patient evaluations for Vitamin B12 (cyanocobalamin)