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Jarrow Formulas

PS100 100 mg

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed
8.41Very Good

Price

$0.37/serving

Retail

$44.24

Container

120 servings

Serving

1 Capsule

Brand Quality

8.7

Why this score

Testing practices

  • Lot Tested
  • Third-Party Lab Tested
  • Transparent Batch-Specific COAs
  • ISO 17025 Lab

Testing coverage

  • Identity
  • Purity
  • Potency
  • Heavy Metals
  • Raw Ingredient Testing

Certifications

  • NSF Certified
  • USDA Organic Certified

Manufacturing standards

  • cGMP Certified
  • Made in USA

Innovation

  • Clinically Studied Product

Active Ingredients

  • Phosphatidylserine

    100 mg

    Ingredient research · Phosphatidylserine

    Phosphatidylserine is a phospholipid that helps form cell membranes, with central roles in neuronal signaling and membrane function. Supplements may modestly support memory, attention, or other aspects of cognition, especially in older adults, while proposed benefits for stress responses and exercise performance are less certain.

Inactive Ingredients

9.1 Safe
  • Bovine GelatinIdeal
  • Silicified Microcrystaline CelluloseIdeal
  • Silicon DioxideIdeal
  • Food Starch, ModifiedSafe
  • Magnesium StearateSafe
  • Mixed TocopherolsIdeal
  • Ascorbyl PalmitateSafe

These statements have not been evaluated by the Food and Drug Administration. Any products and informational content displayed on this page are not intended to diagnose, treat, cure, or prevent any disease.