What is Vitamin B12 (methylcobalamin)?

Category: Supplements

Most popular types: Methyl B-12 Prescription Jarrow B12 Lozenges Vitamin B12 (Methylcobalamin) Lozenge Show all

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Methylcobalamin is a form of vitamin B12. It can be used to replace levels in patients who don't have enough and may also be used to treat certain conditions such as neuropathy, ALS, and certain types of anemia.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Fatigue 69 40
General health 62 30
ALS (Amyotrophic Lateral Sclerosis) 56 23
Vitamin B12 deficiency 30 10
Multiple Sclerosis 20 3
Loss of energy 9 2

Show all 60 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 0
Moderate 1
Mild 15
None 84

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

Side effect Patients
Restlessness (akathisia) 2
Balance problems 1
Dizziness with disorientation 1
Hot flashes 1
Injection site bruising 1
Injection site soreness 1

Show all 11 reported side effects

Dosages

Based on patients currently taking Vitamin B12 (methylcobalamin)

Dosage Patients
1 mg daily 9
1,000 mg daily 5
25 mg daily 4
1,000 mcg daily 4
5,000 mcg daily 4
1 mg monthly 2
1 mL daily 2
1 tablet(s) twice daily 2
2,500 mcg daily 2
0.25 mg daily 1

See all 41 dosages

Why patients stopped taking Vitamin B12 (methylcobalamin)

Multiple reasons could be selected

Reason Patients
Other 24
Did not seem to work 14
Doctor's advice 9
Expense 8
Personal research 5
Course of treatment ended 4
Side effects too severe 3
See all 58 patients who’ve stopped taking Vitamin B12 (methylcobalamin)

Duration

Currently taking Vitamin B12 (methylcobalamin)

Duration Patients
1 - 6 months 8
6 months - 1 year 6
1 - 2 years 10
2 - 5 years 19
5 - 10 years 20
10 years or more 4

Stopped taking Vitamin B12 (methylcobalamin)

Duration Patients
Less than 1 month 6
1 - 6 months 20
6 months - 1 year 9
1 - 2 years 18
2 - 5 years 5
Adherence
Adherence Evaluations
Always 76
Usually 13
Sometimes 5
Never taken as prescribed 6
Burden
Burden Evaluations
Very hard to take 0
Somewhat hard to take 13
A little hard to take 28
Not at all hard to take 59
Cost per month
Cost per month Evaluations
$200+ 9
$100-199 5
$50-99 4
$25-49 2
< $25 33
Not specified 47
Last updated:

10 patient evaluations for Vitamin B12 (methylcobalamin)

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asdf1179
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asdf1179
Sex: M
Data Quality: 2 stars
Sensation: Mild
Overall: None
Cognition: mild
Vision: mild
Speech: none
Swallowing: none
Upper limb: mild
Walking: none
I have:
MS

See asdf1179's full Vitamin B12 (methylcobalamin) history

Jun 15, 2015 (Started Jan 01, 2012)

  • Effectiveness
    None (for Multiple Sclerosis)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take
Dosage: 1000 mcg Daily

  • 0 helpful marks
kljones
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kljones
Sex: F
Data Quality: 1 star
Relapse: Moderate
Sensation: None
Overall: Moderate
Cognition: moderate
Vision: moderate
Speech: moderate
Swallowing: moderate
Upper limb: moderate
Walking: severe
I am: n
I have:
MS

See kljones's full Vitamin B12 (methylcobalamin) history

Jan 10, 2014 (Started May 14, 2012)

  • Effectiveness
    Can’t tell (for Tremor in hands)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take

Jun 14, 2012 (Started May 14, 2012)

  • Effectiveness
    Moderate (for General health)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily

  • 0 helpful marks
darinmnj
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darinmnj
Sex: M
Data Quality: 1 star
Bulbar: moderate
Arms: severe
Chest: moderate
Legs: severe
I am: n
I have:
ALS

See darinmnj's full Vitamin B12 (methylcobalamin) history

Feb 19, 2012 (Started Jul 01, 2010)

  • Effectiveness
    Can’t tell (for ALS (Amyotrophic Lateral Sclerosis))
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 2 mg Daily

Jan 13, 2011 (Started Jul 01, 2010)

  • Effectiveness
    Can’t tell (for ALS (Amyotrophic Lateral Sclerosis))
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: 2 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 10 patient evaluations for Vitamin B12 (methylcobalamin)