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 78 46
General health 66 36
Amyotrophic lateral sclerosis 58 27
Multiple sclerosis 20 3
Loss of energy 11 3

Show all 54 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 Percentage
Severe 0
Moderate 1
Mild 18
None 100

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

Side effect Patients Percentage
Restlessness (akathisia) 2
Diabetic neuropathy 1
Dizziness with disorientation 1
Fatigue 1
Hot flashes 1
Injection site bruising 1

Show all 11 reported side effects

Dosages

Based on patients currently taking Vitamin B12 (methylcobalamin)

Dosage Patients Percentage
5000 mcg daily 5
25 mg daily 3
1000 mg daily 3
1 drop(s) daily 2
1 mg daily 2
5 mg daily 2
500 mcg daily 2
1 mg monthly 1
1 capsule(s) daily 1
1 g daily 1

See all 22 dosages

Why patients stopped taking Vitamin B12 (methylcobalamin)

Multiple reasons could be selected

Reason Patients Percentage
Other 25
Did not seem to work 16
Doctor's advice 11
Expense 9
Personal research 7
Course of treatment ended 5
Side effects too severe 3
See all 65 patients who've stopped taking Vitamin B12 (methylcobalamin)

Duration

Currently taking Vitamin B12 (methylcobalamin)

Duration Patients Percentage
Less than 1 month 1
6 months - 1 year 1
1 - 2 years 3
2 - 5 years 11
5 - 10 years 11
10 years or more 7

Stopped taking Vitamin B12 (methylcobalamin)

Duration Patients Percentage
Less than 1 month 6
1 - 6 months 20
6 months - 1 year 13
1 - 2 years 22
2 - 5 years 4
5 - 10 years 1
Adherence
Adherence Evaluations Percentage
Always 90
Usually 14
Sometimes 8
Never taken as prescribed 7
Burden
Burden Evaluations Percentage
Very hard to take 0
Somewhat hard to take 14
A little hard to take 33
Not at all hard to take 72
Cost per month
Cost per month Evaluations Percentage
$200+ 12
$100-199 5
$50-99 5
$25-49 2
< $25 38
Not specified 57
Last updated:

10 patient evaluations for Vitamin B12 (methylcobalamin)

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

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

Feb 19, 2012 (Started Jul 01, 2010)

  • Effectiveness
    Can't tell (for 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 amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Not at all hard to take
Dosage: 2 mg Daily

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