What is L-Carnitine?

Category: Supplements

Most popular types: Carnitor NOW L-Carnitine Sundown L-Carnitine Show all

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L-Carnitine is a molecule found naturally in the body. This supplement is used to enhance physical performance and to treat fatigue and cachexia associated with carnitine deficiency caused by end-stage renal disease, cardiovascular disease, cancer, diabetes, chronic fatigue syndrome, and HIV/AIDs.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Fatigue 18 7
Amyotrophic lateral sclerosis 16 2
General health 9 4
Mitochondrial disease 6 0
Brain fog 3 0
Mitochondrial myopathy 3 2

Show all 35 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 0
Mild 2
None 23

Commonly reported side effects and conditions associated with L-Carnitine

Side effect Patients
Asthma 1
Fatigue 1
Feet tingling 1
Gastritis 1
Muscle fatigue 1
Nausea 1

Show all 10 reported side effects

Dosages

Based on patients currently taking L-Carnitine

Dosage Patients
250 mg daily 2
500 mg daily 2
1,000 mg daily 2
1,000 mg three times daily 2
250 mg yearly 1
1 tps. daily 1
5 g daily 1
1,000 mg m,w,f 1
500 mg twice daily 1
1,500 mg daily 1

See all 13 dosages

Why patients stopped taking L-Carnitine

Multiple reasons could be selected

Reason Patients
Did not seem to work 11
Expense 5
Doctor's advice 3
Other 3
Personal research 2
Change in health plan coverage 1
Side effects too severe 1
See all 24 patients who've stopped taking L-Carnitine

Duration

Currently taking L-Carnitine

Duration Patients
Less than 1 month 1
6 months - 1 year 3
1 - 2 years 1
2 - 5 years 8
5 - 10 years 4

Stopped taking L-Carnitine

Duration Patients
Less than 1 month 7
1 - 6 months 7
6 months - 1 year 3
1 - 2 years 3
2 - 5 years 5
Adherence
Adherence Evaluations
Always 14
Usually 6
Sometimes 4
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 4
A little hard to take 2
Not at all hard to take 19
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 0
$25-49 5
< $25 9
Not specified 12
Last updated:

4 patient evaluations for L-Carnitine

May 26, 2012 (Started Jul 01, 1994)

  • Effectiveness
    Major (for muscular dystrophy)
  • Effectiveness
    Major (for Do not produce it on my own)
  • Side effects
    None
  • Adherence
    Sometimes
  • Burden
    Somewhat hard to take
Dosage: 2970 mg Daily
Advice & Tips: i know i should take them but it is very hard. it has to be 3 tablets 3 times a day. they have to be kept in foil selves of 10. you cant put them in a pill minder because they dissolve easily. i would have to carry them around to take them 3 times a day primary carnitine deficiency syndrome is very scary this is the only medication i have problems taking
Cost: < $25 monthly

  • 0 helpful marks

Sep 30, 2010 (Started Dec 20, 2006)

  • Effectiveness
    Can't tell (for Bone strength)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: 500 mg Every Other Week
Advice & Tips: Read about this in Poz Magazine, that our meds atrophy our bones and our hips will sometimes just fall apart without warning. I can still run across the street so I guess it's working.
Cost: < $25 monthly

  • 0 helpful marks

Dec 10, 2009 (Started Nov 27, 2008)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 990 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 4 patient evaluations for L-Carnitine