Irwin Naturals Stored-Fat Belly Burner®, 100 Liquid Soft-Gels supplement bottle
Irwin Naturals

Stored-Fat Belly Burner®, 100 Liquid Soft-Gels

What We Researched
10 active ingredients analyzed · 11 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g <1%**
Flaxseed Oil 975 mg
Sinetrol® - Xpur (blend of Grapefruit)(fruit), Guarana (Paullinia cupana)(seed), Sweet Orange and Blood Orange (Citrus sinensis L. Osbeck)(fruit) extracts) 450 mg
Orange Peel Powder (peel) 100 mg
Lemon Peel Powder (peel) 75 mg
Tangerine Peel Powder (peel) 50 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 3 mg
Bioavailability Good

Absorption Rating

  • Total Carbohydrates Fair
  • Flaxseed Oil Good
  • Sinetrol® - Xpur (blend of Grapefruit)(fruit), Guarana (Paullinia cupana)(seed), Sweet Orange and Blood Orange (Citrus sinensis L. Osbeck)(fruit) extracts) Fair
  • Orange Peel Powder (peel) Fair
  • Lemon Peel Powder (peel) Fair
  • Tangerine Peel Powder (peel) 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
  • Beeswax
  • Soy Lecithin
  • Annatto (Color)
  • Titanium Dioxide (Color) Medium
  • Turmeric (Color)
  • Silicon Dioxide
  • St. John's Bread (Carob) (Color)
  • Sodium copper chlorophyllin (color) and Maltodextrin
Efficacy Very Poor

Dosage Analysis

  • Flaxseed Oil 975 mg Under-dosed
  • Tangerine Peel Powder (peel) 50 mg Under-dosed
  • BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 3 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Fat 1 g 1%**
Total Carbohydrates 1 g <1%**
Protein 1 g
Flaxseed Oil 975 mg
Sinetrol® - Xpur (blend of Grapefruit)(fruit), Guarana (Paullinia cupana)(seed), Sweet Orange and Blood Orange (Citrus sinensis L. Osbeck)(fruit) extracts) 450 mg
Orange Peel Powder (peel) 100 mg
Lemon Peel Powder (peel) 75 mg
Tangerine Peel Powder (peel) 50 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine)(fruit), Ginger extract (5% gingerols)(rhizome) 3 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.

Beeswax Safe

Used as a coating and to help form softgel capsules.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Annatto (Color) Generally_safe

It is used as a natural food coloring to provide a yellow or orange hue.

Titanium Dioxide (Color) Caution

It is used to improve the appearance of the supplement.

Turmeric (Color) Safe

It is used to add yellow color to supplements.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

St. John's Bread (Carob) (Color) Safe

It is used to provide a brown color to supplements.

Sodium copper chlorophyllin (color) and Maltodextrin Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $29.99
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
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 Stored-Fat Belly Burner®, 100 Liquid Soft-Gels a good supplement?

Irwin Naturals Stored-Fat Belly Burner®, 100 Liquid Soft-Gels received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 10 active ingredients with 33 servings per container. Of the 11 inactive ingredients, 8 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 Stored-Fat Belly Burner®, 100 Liquid Soft-Gels?

Irwin Naturals Stored-Fat Belly Burner®, 100 Liquid Soft-Gels contains 10 active ingredients: Calories (15), Total Fat (1 g), Total Carbohydrates (1 g), Protein (1 g), Flaxseed Oil (975 mg), Sinetrol® - Xpur (blend of Grapefruit)(fruit), Guarana (Paullinia cupana)(seed), Sweet Orange and Blood Orange (Citrus sinensis L. Osbeck)(fruit) extracts) (450 mg), and 4 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Irwin Naturals Stored-Fat Belly Burner®, 100 Liquid Soft-Gels safe to take?

Irwin Naturals Stored-Fat Belly Burner®, 100 Liquid Soft-Gels has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 8 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.