Nutricost N-Acetyl L-Tyrosine, 350 mg, 120 Capsules supplement bottle
Nutricost

N-Acetyl L-Tyrosine, 350 mg, 120 Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
N-Acetyl L-Tyrosine 350 mg *
Bioavailability Fair

Absorption Rating

  • N-Acetyl L-Tyrosine Fair
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Gelatin Capsule
  • Silica
  • Stearic Acid (Vegetable Source)
Efficacy Very Poor

Dosage Analysis

  • N-Acetyl L-Tyrosine 350 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
N-Acetyl L-Tyrosine 350 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Gelatin Capsule Safe

It is used as a material for making capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Price Comparison

iHerb $12.95 $0.11 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$15$14$13$12$11 Mar 12 $12.95
iHerb

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

Brand Trust Report
Nutricost

Founded 2012 · Vineyard, Utah, USA · 897 products · nutricost.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

4 incidents
Fda Warning Unregistered food product2024-08-23Source
Prop 65 Lead2023-12-19Source
Lawsuit Misleading advertising regarding the magnesium content in its magnesium glycinate supplement.2023Source
Lawsuit Mislabeled calorie content and undisclosed artificial flavoring in supplement powders.2022Source
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Frequently Asked Questions
Is Nutricost N-Acetyl L-Tyrosine, 350 mg a good supplement?

Nutricost N-Acetyl L-Tyrosine, 350 mg, 120 Capsules received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 120 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Nutricost, holds a brand trust score of 81/100 with 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic.

What are the ingredients in Nutricost N-Acetyl L-Tyrosine, 350 mg?

Nutricost N-Acetyl L-Tyrosine, 350 mg contains 1 active ingredients: N-Acetyl L-Tyrosine (350 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nutricost N-Acetyl L-Tyrosine, 350 mg safe to take?

Nutricost N-Acetyl L-Tyrosine, 350 mg, 120 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 Nutricost a trustworthy supplement brand?

Nutricost receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Vineyard, Utah, USA, the company offers 897 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nutricost has 4 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.