L-Tyrosine 500 mg — 120 Capsules | LifeSource Vitamins
LifeSource Vitamins L-Tyrosine delivers 500 mg of this conditionally essential amino acid per capsule. Formulated to support mental clarity, focus, and cognitive performance during periods of stress or high demand as part of a healthy lifestyle.*
✅ Family-Owned Since 1992
✅ Made in the USA
✅ Third-Party Tested
⭐ Trusted by customers nationwide with over 7,000 5-star reviews
Key Benefits
- Supports mental clarity and cognitive performance under stress*
- Helps maintain focus and alertness during demanding tasks*
- Precursor to important neurotransmitters involved in mood and stress response*
- Supports daily cognitive wellness as part of a healthy lifestyle*
Key Ingredients
- L-Tyrosine 500 mg per capsule — conditionally essential amino acid that serves as a building block for neurotransmitters involved in mental performance*
Who May Benefit Most
- Adults seeking support for mental clarity during stressful or demanding periods*
- Individuals looking to maintain focus and alertness under pressure*
- Those interested in cognitive wellness as part of daily routines*
- People experiencing high mental or physical demands*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our 3rd Party Testing →
Why Trust LifeSource Vitamins?
- Family-Owned and Operated Since 1992
- Serving Customers Nationwide Since 1992
- More Than 7,000 Verified 5-Star Reviews (4.8–4.9 average)
- Made in the USA in FDA-registered, GMP-certified facilities
- Independently Third-Party Tested for Identity, Purity, Potency & Label Accuracy
- Non-GMO • Gluten-Free • Family-Owned Company
Our Quality Promise
Since 1992, LifeSource Vitamins has remained committed to providing high-quality supplements made with carefully selected ingredients and rigorously tested for identity, purity, potency, and label accuracy. As a family-owned company, we believe you deserve transparency, consistency, and products you can trust to support your wellness goals.
Wellness Research & Education
LifeSource Vitamins evaluates wellness research and educational resources from respected organizations including the National Institutes of Health (NIH), Mayo Clinic, Harvard Health, Johns Hopkins Medicine, Cleveland Clinic, Mount Sinai, and other trusted health resources.
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L-Tyrosine supports mental clarity — as a precursor to key neurotransmitters, it helps maintain cognitive performance during stress.
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Supports focus under demand — commonly included in formulas for mental alertness and task performance.
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Neurotransmitter support — contributes to the production of dopamine and norepinephrine involved in mood and attention.
Suggested Use
Take 1 capsule daily, or as directed by your healthcare professional.*
Product Specifications
• Serving Size: 1 Capsule
• Servings Per Container: 120
• L-Tyrosine: 500 mg per serving
• Form: Vegetarian capsules
• Free From: Non-GMO, gluten-free
• Other: Third-party tested for identity, potency & purity
Often Paired With
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L-Theanine — for focused calm and cognitive support
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Magnesium — for additional stress and nervous system support
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Rhodiola — for complementary mental performance and stress resilience
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Mood & Stress Collection — explore more wellness options for mental performance
Shop More Mood & Stress Support Products →
Customer Reviews
This product is backed by LifeSource Vitamins' commitment to quality and customer satisfaction, supported by over 7,000 verified five-star reviews across our product catalog.
— Verified LifeSource customers.
Recommended Reading
Recommended Reading
Supports mental clarity and cognitive performance under stress with 500 mg L-Tyrosine. Third-party tested, Family-Owned & Trusted Since 1992.*
Phone: 800-567-8122 | Email: info@lifesourcevitamins.com
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
