Source Naturals Evening Primrose Oil, 1,350 mg, 60 Softgels supplement bottle
Source Naturals

Evening Primrose Oil, 1,350 mg, 60 Softgels

What We Researched
8 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
73
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Oil of Evening Primrose Seed 1.35 g
Yielding:
Linoleic Acid 945 mg
gamma-Linolenic Acid (GLA) 135 mg
Oleic Acid 68 mg
Palmitic Acid 68 mg
Bioavailability Very Good

Absorption Rating

  • Oil of Evening Primrose Seed Fair
  • Yielding: Fair
  • Linoleic Acid Good
  • gamma-Linolenic Acid (GLA) Good
  • Oleic Acid Good
  • Palmitic Acid Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Glycerin
  • Purified Water
Efficacy Poor

Dosage Analysis

  • Oil of Evening Primrose Seed 1.35 g Effective
  • gamma-Linolenic Acid (GLA) 135 mg Under-dosed
  • Oleic Acid 68 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Fat 1.5 g 2%*
Oil of Evening Primrose Seed 1.35 g
Yielding:
Linoleic Acid 945 mg
gamma-Linolenic Acid (GLA) 135 mg
Oleic Acid 68 mg
Palmitic Acid 68 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.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $14.00
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
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 Evening Primrose Oil, 1 a good supplement?

Source Naturals Evening Primrose Oil, 1,350 mg, 60 Softgels received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 8 active ingredients All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. 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 Evening Primrose Oil, 1?

Source Naturals Evening Primrose Oil, 1 contains 8 active ingredients: Calories (15), Total Fat (1.5 g), Oil of Evening Primrose Seed (1.35 g), Yielding:, Linoleic Acid (945 mg), gamma-Linolenic Acid (GLA) (135 mg), and 2 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Evening Primrose Oil, 1 safe to take?

Source Naturals Evening Primrose Oil, 1,350 mg, 60 Softgels has been analyzed for ingredient safety across all its components. All 3 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 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.