DaVinci Laboratories DL-Phenylalanine, 750 mg, 60 Capsules supplement bottle
DaVinci Laboratories

DL-Phenylalanine, 750 mg, 60 Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
82
Brand Score Good

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 leucine
  • 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 leucine Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

iHerb $19.42 $0.32 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$21$20$19$18$17 Mar 12 $19.00
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
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 192 products · davincilabs.com/

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

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

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
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Frequently Asked Questions
Is DaVinci Laboratories DL-Phenylalanine, 750 mg a good supplement?

DaVinci Laboratories DL-Phenylalanine, 750 mg, 60 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 60 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, DaVinci Laboratories, holds a brand trust score of 82/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in DaVinci Laboratories DL-Phenylalanine, 750 mg?

DaVinci Laboratories DL-Phenylalanine, 750 mg 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 DaVinci Laboratories DL-Phenylalanine, 750 mg safe to take?

DaVinci Laboratories DL-Phenylalanine, 750 mg, 60 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 DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 192 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories 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.