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Pure Encapsulations

L-Tyrosine

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed
8.77Superior

Price

$0.38/serving

Retail

$34

Container

90 servings

Serving

1 Capsule

Brand Quality

8.9

Why this score

Testing practices

  • Lot Tested
  • Third-Party Lab Tested
  • Transparent Batch-Specific COAs
  • ISO 17025 Lab

Testing coverage

  • Identity
  • Purity
  • Potency
  • Heavy Metals
  • Raw Ingredient Testing

Certifications

  • NSF Certified

Manufacturing standards

  • cGMP Certified
  • Made in USA

Innovation

  • Clinically Studied Product

Active Ingredients

  • L-Tyrosine(free form)

    500 mg

    Ingredient research · L-Tyrosine

    L-Tyrosine is an amino acid the body uses to make dopamine, norepinephrine, and thyroid hormones. Supplementation may help preserve attention, working memory, and mental performance during acute stressors such as sleep loss or cold exposure, but it is not a reliably effective everyday cognitive or mood enhancer.

    • Supports cycling endurance during exercise in the heat.
    Top References

Inactive Ingredients

10 Ideal
  • CelluloseIdeal
  • WaterIdeal

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