Amazing Nutrition L-Phenylalanine 500 mg supplement bottle
Amazing Nutrition

L-Phenylalanine 500 mg Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · Last updated: Aug 2026
100
Product Score Excellent
57
Brand Score Poor

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Phenylalanine 500 mg
Bioavailability Excellent

Absorption Rating

  • L-Phenylalanine Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • L-Phenylalanine 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Phenylalanine 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Amazing Nutrition

Founded 2014 · South Hackensack, NJ 07606-1805, United States · 483 products · amazingnutrition.com/

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Prop 65 Lead2019-08-13Source
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Frequently Asked Questions
Is Amazing Nutrition L-Phenylalanine 500 mg a good supplement?

Amazing Nutrition L-Phenylalanine 500 mg 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 120 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Amazing Nutrition, holds a brand trust score of 57/100.

What are the ingredients in Amazing Nutrition L-Phenylalanine 500 mg?

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

Is Amazing Nutrition L-Phenylalanine 500 mg safe to take?

Amazing Nutrition L-Phenylalanine 500 mg has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Amazing Nutrition a trustworthy supplement brand?

Amazing Nutrition receives a brand trust score of 57/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in South Hackensack, NJ 07606-1805, United States, the company offers 483 products in their lineup. Note: Amazing Nutrition has 1 historical regulatory incident 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 — read our methodology. 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.