Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 Deficiency 185 59
General health 169 85
Vitamin B12 deficiency 69 28
Fatigue 56 27
Fibromyalgia 21 9
Pernicious Anemia 20 7

Show all 101 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 207

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 34
1 mg daily 20
500 mcg daily 11
1 mg monthly 10
250 mcg daily 6
1 mg weekly 5
1 mg twice daily 5
1 tablet(s) daily 4
1,000 mg daily 4
2,000 mcg daily 4

See all 58 dosages

Why patients stopped taking Vitamin B12 (cyanocobalamin)

Multiple reasons could be selected

Reason Patients
Other 39
Doctor's advice 25
Did not seem to work 21
Course of treatment ended 17
Expense 12
Personal research 4
Change in health plan coverage 1
Side effects too severe 1
See all 99 patients who’ve stopped taking Vitamin B12 (cyanocobalamin)

Duration

Currently taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 2
1 - 6 months 11
6 months - 1 year 16
1 - 2 years 28
2 - 5 years 43
5 - 10 years 49
10 years or more 18

Stopped taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 10
1 - 6 months 30
6 months - 1 year 19
1 - 2 years 20
2 - 5 years 14
5 - 10 years 6
10 years or more 1
Adherence
Adherence Evaluations
Always 162
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 36
Not at all hard to take 172
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 2
< $25 135
Not specified 82
Last updated:

25 patient evaluations for Vitamin B12 (cyanocobalamin)

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

TheWorshipper
11071 thumb
TheWorshipper
Gender: M
Data Quality: 3 stars
Depression: 1
Mania: 1
Emotional: 0
Anxiety: 0
Compulsion: 1
External Stress: Low
59 M
Function: High
Distress: Low
I am: b
I have:
Schizoaffective Disorder

See TheWorshipper's full Vitamin B12 (cyanocobalamin) history

Dec 20, 2016 (Started Jun 28, 2013)

  • Effectiveness
    Major (for Vitamin B12 Deficiency)
  • Effectiveness
    Can’t tell (for Loss of energy)
  • Effectiveness
    Can’t tell (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mcg Daily
Advice & Tips: The amount of Vitamin B12 in my blood has improved GREATLY.
Cost: < $25 monthly

Feb 24, 2015 (Started Jun 28, 2013)

  • Effectiveness
    Slight (for Loss of energy)
  • Effectiveness
    Can’t tell (for General health)
  • Effectiveness
    Major (for Vitamin B12 Deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1000 mcg Daily
Cost: < $25 monthly

  • 0 helpful marks
Les1952
36733 thumb
Les1952
Sex: M
Data Quality: 2 stars
Sensation: Mild
Overall: Mild
Cognition: moderate
Vision: mild
Speech: mild
Swallowing: mild
Upper limb: moderate
Walking: mild
I am: vg
I have:
MS

See Les1952's full Vitamin B12 (cyanocobalamin) history

Aug 17, 2016 (Started Feb 15, 2015)

  • Effectiveness
    None (for Vitamin B12 Deficiency)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take

Feb 15, 2016 (Started Feb 15, 2015)

  • Effectiveness
    Major (for Vitamin B12 Deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 2.5 mg Daily

  • 0 helpful marks
westchester
28168 thumb
westchester
Sex: F
Data Quality: 2 stars
Sensation: Moderate
Overall: Moderate
Cognition: moderate
Vision: moderate
Speech: moderate
Swallowing: moderate
Upper limb: moderate
Walking: severe
I am: vg
I have:
MS

See westchester's full Vitamin B12 (cyanocobalamin) history

Jun 15, 2016 (Started Jun 30, 2012)

  • Effectiveness
    None (for Vitamin B12 Deficiency)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Twice daily

  • 0 helpful marks
Last updated:
Showing 3 of 25 patient evaluations for Vitamin B12 (cyanocobalamin)