L-Tyrosine 500 mg
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyL-Tyrosine is a precursor to dopamine and norepinephrine, which may support cognitive performance during stressful situations. Research provides moderate evidence that it helps maintain alertness under acute stress. There is limited evidence regarding its long-term efficacy for general cognitive enhancement.
AI-generated summary based on research evidence. Not medical advice.
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Label Data
Supplement Facts — Evidence Check
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Directions for Use
Usage: Take 1 capsule 1 or 2 times per day on an empty stomach, immediately after arising in the morning, preferably with juice as a carbohydrate source or as directed by your qualified healthcare professional.
Warnings & Precautions
Note: If you have a medical condition (especially bipolar or a history of malignant melanoma), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications (especially MAO inhibitors), consult your healthcare professional before using this product.
Note: If you have a medical condition (especially bipolar or a history of malignant melanoma), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications (especially MAO inhibitors), consult your healthcare professional before using this product.
Keep out of the reach of children.
Formulation Notes
L-Tyrosine, a constituent of dietary protein, is a substrateor precursor to the catecholamine neurotransmitters norepinephrine, epinephrine and dopamine, the levels of which can be affected by the amount of tyrosine consumed. Jarrow Formulas L-Tyrosine contains pure crystalline L-Tyrosine.
Free form amino acid
Supports synthesis of brain neurotransmitters
No wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts.
Additional Information
Store in a cool, dry place.
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Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.