Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels supplement bottle
Irwin Naturals

Stress-Defy Sleep PM™, 50 Liquid Soft-Gels

What We Researched
12 active ingredients analyzed · 11 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
77
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates <1 g <1%**
Flaxseed Oil (seed) 950 mg
English Lavender (Lavandula angustifolia) extract (4:1)(aerial) 250 mg
Deep Ocean Minerals™ 200 mg
L-Theanine 200 mg
Shoden® Ashwagandha extract (root, leaf) 120 mg
English Lavender (Lavandula angustifolia) Essential Oil (flower) 50 mg
Melatonin 2 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 6 mg
Bioavailability Good

Absorption Rating

  • Total Carbohydrates Fair
  • Flaxseed Oil (seed) Good
  • English Lavender (Lavandula angustifolia) extract (4:1)(aerial) Fair
  • Deep Ocean Minerals™ Fair
  • L-Theanine Good
  • Shoden® Ashwagandha extract (root, leaf) Good
  • English Lavender (Lavandula angustifolia) Essential Oil (flower) Fair
  • Melatonin Fair
  • BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) Good
Other Ingredients Very Good

Fillers & Additives

  • Gelatin
  • Purified Water
  • Glycerin
  • Maltodextrin
  • Beeswax
  • Sunflower Lecithin
  • Titanium Dioxide (Color) Medium
  • Gum Arabic
  • Turmeric (Color)
  • Caramel (Color)
  • Red cabbage extract (color) and Sodium copper chlorophyllin (color)
Efficacy Fair

Dosage Analysis

  • Flaxseed Oil (seed) 950 mg Under-dosed
  • English Lavender (Lavandula angustifolia) extract (4:1)(aerial) 250 mg High
  • L-Theanine 200 mg Effective
  • Shoden® Ashwagandha extract (root, leaf) 120 mg Under-dosed
  • English Lavender (Lavandula angustifolia) Essential Oil (flower) 50 mg Under-dosed
  • Melatonin 2 mg Effective
  • BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 6 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Fat 1 g 1%**
Total Carbohydrates <1 g <1%**
Protein 1 g
Flaxseed Oil (seed) 950 mg
English Lavender (Lavandula angustifolia) extract (4:1)(aerial) 250 mg
Deep Ocean Minerals™ 200 mg
L-Theanine 200 mg
Shoden® Ashwagandha extract (root, leaf) 120 mg
English Lavender (Lavandula angustifolia) Essential Oil (flower) 50 mg
Melatonin 2 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 6 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Beeswax Safe

Used as a coating and to help form softgel capsules.

Sunflower Lecithin Safe

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

Titanium Dioxide (Color) Caution

It is used to improve the appearance of the supplement.

Gum Arabic Safe

It is used as a thickener, binder, or emulsifier.

Turmeric (Color) Safe

It is used to add yellow color to supplements.

Caramel (Color) Generally_safe

It is used to add a brown color to the supplement.

Red cabbage extract (color) and Sodium copper chlorophyllin (color) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$34$32$30$29$27 Mar 12 $32.00$28.99
iHerb
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
Irwin Naturals

Founded 1994 · Los Angeles, California, United States · 130 products · irwinnaturals.com/

Certifications

1 certification
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed

Violation History

2 incidents
Lawsuit Deceptively marketing products as 'natural' while they contain synthetic ingredients.2021Source
Prop 65 Lead2011-02-02Source
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Frequently Asked Questions
Is Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels a good supplement?

Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 25 servings per container. Of the 11 inactive ingredients, 7 are rated safe and 1 are flagged for review. The manufacturer, Irwin Naturals, holds a brand trust score of 78/100 with 1 verified certifications including Nsf Gmp.

What are the ingredients in Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels?

Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels contains 12 active ingredients: Calories (15), Total Fat (1 g), Total Carbohydrates (<1 g), Protein (1 g), Flaxseed Oil (seed) (950 mg), English Lavender (Lavandula angustifolia) extract (4:1)(aerial) (250 mg), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels safe to take?

Irwin Naturals Stress-Defy Sleep PM™, 50 Liquid Soft-Gels has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide (Color). 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Irwin Naturals a trustworthy supplement brand?

Irwin Naturals receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1994 and headquartered in Los Angeles, California, United States, the company offers 130 products in their lineup. They hold 1 verified certifications including Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Irwin Naturals 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. 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.