AB American Biologics DLPA DL-Phenylalanine supplement bottle
AB American Biologics

DLPA DL-Phenylalanine Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · Last updated: Aug 2026
100
Product Score Excellent
48
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
DL-Phenylalanine 750 mg
Bioavailability Excellent

Absorption Rating

  • DL-Phenylalanine Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Vegetable Stearate
  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • DL-Phenylalanine 750 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
DL-Phenylalanine 750 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
AB American Biologics

Founded 1978 · Chula Vista, CA, USA · 54 products · americanbiologics.com/

Transparency

2 claims
Coa Availability — Claimed

Violation History

1 incident
Lawsuit Selling a phony Lyme disease cure and not being registered with the FDA to produce drugs or medical devices.2011Source
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Frequently Asked Questions
Is AB American Biologics DLPA DL-Phenylalanine a good supplement?

AB American Biologics DLPA DL-Phenylalanine 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 60 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, AB American Biologics, holds a brand trust score of 48/100.

What are the ingredients in AB American Biologics DLPA DL-Phenylalanine?

AB American Biologics DLPA DL-Phenylalanine contains 1 active ingredients: DL-Phenylalanine (750 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is AB American Biologics DLPA DL-Phenylalanine safe to take?

AB American Biologics DLPA DL-Phenylalanine has been analyzed for ingredient safety across all its components. All 3 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 AB American Biologics a trustworthy supplement brand?

AB American Biologics receives a brand trust score of 48/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1978 and headquartered in Chula Vista, CA, USA, the company offers 54 products in their lineup. Note: AB American Biologics 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.