Jarrow Formulas PS100 100 mg supplement bottle
Jarrow Formulas

PS100 100 mg Review

What We Researched
1 active ingredient analyzed · 10 inactive ingredients decoded · 7 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
98
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Phosphatidylserine (as non-GMO Sunflower Lecithin) 100 mg
Bioavailability Excellent

Absorption Rating

  • Phosphatidylserine (as non-GMO Sunflower Lecithin) Good
Other Ingredients Excellent

Fillers & Additives

  • Ascorbyl Palmitate
  • Medium Chain Triglycerides
  • Sunflower Lecithin
  • Mixed Tocopherols
  • Bovine Gelatin
  • Natural Mixed Tocopherols
  • Glycerin
  • Water
  • Silica
  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Phosphatidylserine (as non-GMO Sunflower Lecithin) 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Phosphatidylserine (as non-GMO Sunflower Lecithin) 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Mixed Tocopherols Safe

Prevents oxidation and rancidity in oil-based supplements.

Bovine Gelatin Safe

Forms capsule shells. Sourced from bovine (cow) collagen.

Natural Mixed Tocopherols Safe

They act as antioxidants to prevent oxidation of other ingredients.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Water Safe

Dissolves and carries water-soluble ingredients.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Jarrow Formulas

Founded 1977 · Los Angeles, California, USA · 138 products · jarrow.com/

Certifications

7 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
IGEN Non-GMO Tested Verified
NSF Certified Verified

Transparency

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

Violation History

2 incidents
Recall Liquid L-Carnitine2018-01-15Source
Prop 65 Lead2017-09-07Source
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Frequently Asked Questions
Is Jarrow Formulas PS100 100 mg a good supplement?

Jarrow Formulas PS100 100 mg 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. All 10 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Jarrow Formulas, holds a brand trust score of 98/100 with 7 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic.

What are the ingredients in Jarrow Formulas PS100 100 mg?

Jarrow Formulas PS100 100 mg contains 1 active ingredients: Phosphatidylserine (as non-GMO Sunflower Lecithin) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Jarrow Formulas PS100 100 mg safe to take?

Jarrow Formulas PS100 100 mg has been analyzed for ingredient safety across all its components. All 10 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 Jarrow Formulas a trustworthy supplement brand?

Jarrow Formulas receives a brand trust score of 98/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1977 and headquartered in Los Angeles, California, USA, the company offers 138 products in their lineup. They hold 7 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Jarrow Formulas 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 — read our methodology. 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.