Source Naturals Phosphatidyl Serine 150™, 150 mg, 60 Capsules supplement bottle
Source Naturals

Phosphatidyl Serine 150™, 150 mg, 60 Capsules

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Sharp-PS™ Soybean Extract Yielding: 166 mg *
Phosphatidylserine 100 mg *
Bioavailability Excellent

Absorption Rating

  • Sharp-PS™ Soybean Extract Yielding: Good
  • Phosphatidylserine Good
Other Ingredients Excellent

Fillers & Additives

  • Maltodextrin
  • Hydroxypropyl Methylcellulose (Capsule)
  • Silicified Microcrystalline Cellulose
  • Colloidal Silicon Dioxide
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Sharp-PS™ Soybean Extract Yielding: 166 mg Effective
  • Phosphatidylserine 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Sharp-PS™ Soybean Extract Yielding: 166 mg *
Phosphatidylserine 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Hydroxypropyl Methylcellulose (Capsule) Safe

It is used to encapsulate supplement ingredients.

Silicified Microcrystalline Cellulose Generally_safe

It is used as a filler and flow agent in supplements.

Colloidal Silicon Dioxide Generally_safe

It prevents clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$43$42$41$40$39 Mar 12 $40.95
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
Related Supplements
Frequently Asked Questions
Is Source Naturals Phosphatidyl Serine 150™, 150 mg a good supplement?

Source Naturals Phosphatidyl Serine 150™, 150 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 2 active ingredients with 60 servings per container. Of the 5 inactive ingredients, 2 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 150™, 150 mg?

Source Naturals Phosphatidyl Serine 150™, 150 mg contains 2 active ingredients: Sharp-PS™ Soybean Extract Yielding: (166 mg), Phosphatidylserine (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Phosphatidyl Serine 150™, 150 mg safe to take?

Source Naturals Phosphatidyl Serine 150™, 150 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 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.