NutriCology L-Tyrosine, 100 Capsules supplement bottle
NutriCology

L-Tyrosine, 100 Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Tyrosine 500 mg *
Bioavailability Excellent

Absorption Rating

  • L-Tyrosine Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl
  • Methylcellulose
  • Microcrystalline Cellulose
  • L-Leucine
Efficacy Excellent

Dosage Analysis

  • L-Tyrosine 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Tyrosine 500 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Unknown
Methylcellulose Generally_safe

It is used as a thickener or binder.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

L-Leucine Safe

It is included for its potential muscle-building and recovery benefits.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$28$27$26$25$24 Mar 12 $25.99
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NutriCology

Founded 1979 · Salt Lake City, UT, USA · 55 products · nutricology.com/

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Lead2011-01-14Source
Lawsuit Failure to provide clear and reasonable warnings regarding exposure to lead in various supplement products.2011Source
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Frequently Asked Questions
Is NutriCology L-Tyrosine, 100 Capsules a good supplement?

NutriCology L-Tyrosine, 100 Capsules received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 100 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, NutriCology, holds a brand trust score of 88/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in NutriCology L-Tyrosine, 100 Capsules?

NutriCology L-Tyrosine, 100 Capsules contains 1 active ingredients: L-Tyrosine (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NutriCology L-Tyrosine, 100 Capsules safe to take?

NutriCology L-Tyrosine, 100 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NutriCology a trustworthy supplement brand?

NutriCology receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, UT, USA, the company offers 55 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NutriCology has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.