Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 Deficiency 168 48
General health 162 70
Vitamin B12 deficiency 61 27
Fatigue 54 27
Fibromyalgia 20 8
Multiple Sclerosis 19 8

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 183

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 28
1 mg daily 17
500 mcg daily 12
1 mg weekly 8
1 mg monthly 7
1 mg twice daily 4
5 mg daily 4
250 mcg daily 4
1,000 mg daily 4
2,000 mcg daily 4

See all 46 dosages

Why patients stopped taking Vitamin B12 (cyanocobalamin)

Multiple reasons could be selected

Reason Patients
Other 38
Doctor's advice 24
Did not seem to work 21
Course of treatment ended 15
Expense 12
Personal research 4
Side effects too severe 2
See all 96 patients who’ve stopped taking Vitamin B12 (cyanocobalamin)

Duration

Currently taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 1
1 - 6 months 6
6 months - 1 year 14
1 - 2 years 26
2 - 5 years 39
5 - 10 years 32
10 years or more 20

Stopped taking Vitamin B12 (cyanocobalamin)

Duration Patients
Less than 1 month 8
1 - 6 months 29
6 months - 1 year 19
1 - 2 years 21
2 - 5 years 14
5 - 10 years 5
10 years or more 1
Adherence
Adherence Evaluations
Always 141
Usually 30
Sometimes 10
Never taken as prescribed 14
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 7
A little hard to take 34
Not at all hard to take 151
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 2
< $25 121
Not specified 72
Last updated:

25 patient evaluations for Vitamin B12 (cyanocobalamin)

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

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

See God's Worshipper'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: None
Overall: Mild
Cognition: moderate
Vision: mild
Speech: mild
Swallowing: none
Upper limb: moderate
Walking: none
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
thjuland
647 thumb
thjuland
Sex: M
Data Quality: 3 stars
Sensation: Mild
Overall: Mild
Cognition: moderate
Vision: moderate
Speech: mild
Swallowing: mild
Upper limb: mild
Walking: moderate
I am: vg
I have:
MS

See thjuland's full Vitamin B12 (cyanocobalamin) history

May 11, 2016 (Started Feb 15, 2016)

  • Effectiveness
    Major (for Vitamin B12 deficiency)
  • Effectiveness
    Slight (for Multiple Sclerosis)
  • Effectiveness
    Major (for Loss of energy)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1 mg Daily
Advice & Tips: This continues to be effective.
Cost: < $25 monthly

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