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What is L-Tyrosine?

Category: Supplements

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See also: Tyrosine Capsules Tyrosine Spray

An amino acid used by cells to create proteins.  Under particular circumstances including stress, cold and fatigue, L-Tyrosine may improve mood and cognitive and physical performance. Under normal conditions there does not seem to be a measurable effect.

See patients taking L-Tyrosine

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Parkinson's disease 9 7
Brain fog 8 1
Depressed mood 6 2
Anxious mood 3 9
Fatigue 3 1

Show all 22 reasons taken

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell
See all 121 patients that have taken L-Tyrosine

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 0
Moderate 1
Mild 4
None 24

Commonly reported side effects and conditions associated with L-Tyrosine

Side effect Patients Percentage
Indigestion 1
Speedy feeling 1

Why patients stopped taking L-Tyrosine

Multiple reasons could be selected

Reason Patients Percentage
Other 11
Did not seem to work 5
Personal research 5
Doctor's advice 2
Side effects too severe 2
Expense 1
See all 21 patients who've stopped taking L-Tyrosine

Duration

Stopped taking L-Tyrosine

Duration Patients Percentage
Less than 1 month 5
1 - 6 months 9
6 months - 1 year 2
1 - 2 years 2
2 - 5 years 2
Adherence
Adherence Evaluations Percentage
Always 23
Usually 4
Sometimes 1
Never taken as prescribed 1
Burden
Burden Evaluations Percentage
Very hard to take 1
Somewhat hard to take 1
A little hard to take 2
Not at all hard to take 25
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 0
$50-99 1
$25-49 1
< $25 14
Not specified 13
Last updated:

1 patient evaluation for L-Tyrosine

Sort by: Most recent

Dec 15, 2010 (Started Oct 01, 2010)

  • Effectiveness
    Major (for Support brain health)
  • Effectiveness
    Major (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily
Advice & Tips: Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Phasellus faucibus turpis sed mi maximus mattis.
Cost: < $25 monthly
Side effects: indigestion

Nov 1, 2010 (Started Oct 01, 2010)

  • Effectiveness
    Major (for Parkinson's disease)
  • Side effects
    Mild (indigestion)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily
Advice & Tips: Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Phasellus faucibus turpis sed mi maximus mattis.
Cost: < $25 monthly
Side effects: indigestion
  • 2 helpful marks
Last updated:
Showing 1 of 1 patient evaluation for L-Tyrosine