What is Vitamin B12 (methylcobalamin)?

Category: Supplements

Most popular types: Methyl B-12 Prescription Unique B12 Benexol B12 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 95 46
General health 81 38
Amyotrophic lateral sclerosis 59 27
Multiple sclerosis 22 3
Loss of energy 14 3

Show all 59 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 103

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
1 mg daily 4
5000 mcg daily 4
1 tablet(s) daily 2
5 mg daily 2
25 mg daily 2
1000 mg daily 2
1 mg monthly 1
1 capsule(s) daily 1
1 drop(s) daily 1
2 mg daily 1

See all 19 dosages

Why patients stopped taking Vitamin B12 (methylcobalamin)

Multiple reasons could be selected

Reason Patients Percentage
Other 25
Did not seem to work 18
Doctor's advice 11
Expense 9
Personal research 7
Course of treatment ended 5
Side effects too severe 3
See all 67 patients who've stopped taking Vitamin B12 (methylcobalamin)

Duration

Currently taking Vitamin B12 (methylcobalamin)

Duration Patients Percentage
1 - 6 months 1
1 - 2 years 4
2 - 5 years 6
5 - 10 years 13
10 years or more 5

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 23
2 - 5 years 5
5 - 10 years 1
Adherence
Adherence Evaluations Percentage
Always 93
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 34
Not at all hard to take 74
Cost per month
Cost per month Evaluations Percentage
$200+ 12
$100-199 5
$50-99 5
$25-49 3
< $25 39
Not specified 58

What people switch to and from

Patients stopped taking Vitamin B12 (methylcobalamin) and switched to:

Treatment Patients Percentage
Vitamin B12 Injection (Medivitan) 1
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)