←Back to Supplements
Amino Acids
L-Tyrosine
Precursor to dopamine, norepinephrine, epinephrine, thyroid hormones; supports focus, stress resilience, mood
Gabriel Score
75/ 100Good
CategoryAmino Acids
Applications6 conditions
FormsL-tyrosine, N-acetyl-L-tyrosine (NALT)
How it works
Precursor to dopamine, norepinephrine, epinephrine, thyroid hormones; supports focus, stress resilience, mood
Typical Dosage
500-2000mg/day (divided doses, empty stomach)
Used for
ADHDDepressionStressFatigueHypothyroidismCognitive performance
Practical Guide
Available Forms
L-tyrosine, N-acetyl-L-tyrosine (NALT)
Natural Food Sources
- •Meat
- •Fish
- •Eggs
- •Dairy
- •Soy
- •Nuts
Dosing should be individualized. Consult a qualified healthcare practitioner.
The Science
Evidence Base
Good75/100
Take on empty stomach; supports stress response; may increase blood pressure; precursor to thyroid hormones
Works Well With
IodineSeleniumB6Vitamin CRhodiola
Safety Profile
Interactions
- May interact with MAOIs, thyroid meds, L-dopa
Contraindications
- Hyperthyroidism
- Melanoma (theoretical)
- Phenylketonuria
Trusted Brands
ThornePure EncapsulationsNOWJarrow
Build Your Protocol
Work with a practitioner to design a personalized supplement protocol.
Find a PractitionerCategoryAmino Acids
Applications6
Gabriel Score75/100
Educational purposes only. Consult a qualified healthcare provider before starting any supplement protocol.