NOW Foods
L-Tyrosine 500 mg


86/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
88/100
CLEANLINESS
What Does L-Tyrosine 500 mg Do?
This NOW Foods L-Tyrosine offers a solid 500 mg dosage aligning with research for mental alertness and stress support, backed by good evidence. Formulation is clean with low-risk excipients; overall safe for most adults, though thyroid patients should consult doctors.
What are the main benefits of L-Tyrosine for stress and mental performance?
How does the 500 mg dosage in this product compare to research recommendations?
Are there any precautions for taking L-Tyrosine with thyroid conditions?
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What Are the Benefits of L-Tyrosine 500 mg?
Based on proven scientific research
Mental AlertnessStrong
Stress SupportModerate
Mood EnhancementModerate
Cognitive FunctionStrong
Good For:
What Are the Side Effects of NOW Foods L-Tyrosine 500 mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-Tyrosine at 500 mg is generally safe for healthy adults, with studies showing no serious adverse effects at doses up to 150 mg/kg body weight daily.
•Potential side effects include mild nausea, headache, or fatigue, particularly at higher doses exceeding 2,000 mg daily; this product's dosage minimizes these risks.
•May interact with thyroid medications like levothyroxine by increasing hormone production—monitor thyroid levels if applicable; consult a doctor for MAOIs or stimulants.
•Not recommended for pregnant or breastfeeding women due to limited safety data; avoid in individuals with hyperthyroidism or pheochromocytoma.
•No major allergen risks in this gelatin-based capsule formulation, but those with shellfish allergies should confirm gelatin source; free from common allergens like gluten, soy, and dairy.
•Long-term use appears safe based on clinical evidence, but cycle usage and consult healthcare providers for personalized advice.
Potential Side Effects
Negative Interactions
Allergens
Gelatin (potential bovine source)
Inactive Ingredients
Gelatin (capsule)
Low RiskMagnesium stearate
Low RiskStearic acid
Low RiskSilica
Low RiskWhat Are the Ingredients in NOW Foods L-Tyrosine 500 mg?
L-Tyrosine
500 mg
Gelatin (capsule)
Magnesium Stearate
Stearic Acid
Silica
Dosage & Bioavailability
How the active doses and forms in L-Tyrosine 500 mg compare to the research.
•L-Tyrosine — 500 mg per serving; studies use 2,000-10,000 mg/day.
Sources & References
Frequently Asked Questions
Common questions about NOW Foods L-Tyrosine 500 mg