Solgar DLPA, DL-Phenylalanine, Free Form, 500 mg, 100 Vegetable Capsules supplement bottle
Solgar

DLPA, DL-Phenylalanine, Free Form, 500 mg, 100 Vegetable Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
DLPA (as DL-phenylalanine) (Free Form) 500 mg **
Bioavailability Excellent

Absorption Rating

  • DLPA (as DL-phenylalanine) (Free Form) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Vegetable Magnesium Stearate
  • Silica
Efficacy Excellent

Dosage Analysis

  • DLPA (as DL-phenylalanine) (Free Form) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
DLPA (as DL-phenylalanine) (Free Form) 500 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $22.00
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
Solgar

Founded 1947 · Leonia, New Jersey, United States · 295 products · solgar.com

Certifications

2 certifications
Halal Certified Verified Source
Kosher Certified Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
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Frequently Asked Questions
Is Solgar DLPA, DL-Phenylalanine a good supplement?

Solgar DLPA, DL-Phenylalanine, Free Form, 500 mg, 100 Vegetable 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 All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Solgar, holds a brand trust score of 66/100 with 2 verified certifications including Halal Certified, Kosher Certified.

What are the ingredients in Solgar DLPA, DL-Phenylalanine?

Solgar DLPA, DL-Phenylalanine contains 1 active ingredients: DLPA (as DL-phenylalanine) (Free Form) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Solgar DLPA, DL-Phenylalanine safe to take?

Solgar DLPA, DL-Phenylalanine, Free Form, 500 mg, 100 Vegetable Capsules 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 Solgar a trustworthy supplement brand?

Solgar receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1947 and headquartered in Leonia, New Jersey, United States, the company offers 295 products in their lineup. They hold 2 verified certifications including Halal Certified, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.