What is L-Methionine?

Category: Supplements

Most popular types: M-Caps


See also: Amino acids

Methionine is one of the essential sulfur amino acids and plays a key role in regulating the availability of folic acid.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Headaches 2 1
Amyotrophic lateral sclerosis 1 0
General health 1 0
Parkinson's disease 1 1

  • 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 0
Mild 1
None 2

Commonly reported side effects and conditions associated with L-Methionine

Side effect Patients Percentage

Why patients stopped taking L-Methionine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 1
See 1 patient who's stopped taking L-Methionine


Stopped taking L-Methionine

Duration Patients Percentage
6 months - 1 year 1
Adherence Evaluations Percentage
Always 2
Usually 0
Sometimes 1
Never taken as prescribed 0
Burden Evaluations Percentage
Very hard to take 0
Somewhat hard to take 1
A little hard to take 1
Not at all hard to take 1
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 0
$25-49 0
< $25 3
Not specified 0
Last updated:

1 patient evaluation for L-Methionine

Sep 30, 2010 (Started May 20, 2003)

  • Effectiveness
    Can't tell (for Myelopathy)
  • Effectiveness
    Major (for ( joint deterioration))
  • Side effects
    Mild (rash or skin problems)
  • Adherence
  • Burden
    Somewhat hard to take
Dosage: 500 mg Every Other Week
Advice & Tips: I usually remember to take this when I start feeling sore, about every two weeks. When I first heard about it I took it every day until I got a puffy rash under my eyes.
Cost: < $25 monthly
Side effects: rash or skin problems

  • 0 helpful marks
Last updated:
Showing 1 of 1 patient evaluation for L-Methionine