Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg, 30 Softgels supplement bottle
Source Naturals

Phosphatidyl Serine Complex Stabilized, 500 mg, 30 Softgels

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
77
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Soybean Extract 500 mg
Yielding
Phosphatidylserine 100 mg
Proprietary Blend:Phosphatidylcholine, Phosphatidylethanolamine, and medium chain triglycerides 12.5 mg
Bioavailability Very Good

Absorption Rating

  • Yielding Fair
  • Phosphatidylserine Good
  • Proprietary Blend:Phosphatidylcholine, Phosphatidylethanolamine, and medium chain triglycerides Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Glycerin
  • Polyglycitol syrup
  • Purified Water
  • Silicon Dioxide
  • Mixed tocopherols; ascrobyl palmitate
  • Lycopene
Efficacy Fair

Dosage Analysis

  • Phosphatidylserine 100 mg Effective
  • Proprietary Blend:Phosphatidylcholine, Phosphatidylethanolamine, and medium chain triglycerides 12.5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Soybean Extract 500 mg
Yielding
Phosphatidylserine 100 mg
Proprietary Blend:Phosphatidylcholine, Phosphatidylethanolamine, and medium chain triglycerides 12.5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Polyglycitol syrup Unknown
Purified Water Safe

Dissolves and carries water-soluble ingredients.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Mixed tocopherols; ascrobyl palmitate Unknown
Lycopene Generally_safe

It is included for its antioxidant properties.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$19$18$17$16$15 Mar 12 $16.79
Vitacost

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

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg a good supplement?

Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg, 30 Softgels received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg?

Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg contains 4 active ingredients: Soybean Extract (500 mg), Yielding, Phosphatidylserine (100 mg), Proprietary Blend:Phosphatidylcholine, Phosphatidylethanolamine, and medium chain triglycerides (12.5 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg safe to take?

Source Naturals Phosphatidyl Serine Complex Stabilized, 500 mg, 30 Softgels 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. 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.